Home / 11,852,583.40-17,778,875.10-8,026,208.20

Finding the Fourth Proportional to 11,852,583.40, 17,778,875.10 and 8,026,208.20

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Solution

The fourth proportional to 11,852,583.40, 17,778,875.10 and 8,026,208.20 is: 12,039,312.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,852,583.40 : 17,778,875.10 = 8,026,208.20 : x
  2. Step 2: Convert to fraction form
    11,852,583.40/17,778,875.10 = 8,026,208.20/x
  3. Step 3: Cross multiply
    11,852,583.40x = 17,778,875.10 × 8,026,208.20
  4. Step 4: Simplify right side
    11,852,583.40x = 142,696,953,114,395.84
  5. Step 5: Solve for x
    x = 142,696,953,114,395.84/11,852,583.40
  6. Step 6: Final answer
    x = 12,039,312.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.