Home / 12,084,741.40-18,127,112.10-6,709,970.20

Finding the Fourth Proportional to 12,084,741.40, 18,127,112.10 and 6,709,970.20

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Solution

The fourth proportional to 12,084,741.40, 18,127,112.10 and 6,709,970.20 is: 10,064,955.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,084,741.40 : 18,127,112.10 = 6,709,970.20 : x
  2. Step 2: Convert to fraction form
    12,084,741.40/18,127,112.10 = 6,709,970.20/x
  3. Step 3: Cross multiply
    12,084,741.40x = 18,127,112.10 × 6,709,970.20
  4. Step 4: Simplify right side
    12,084,741.40x = 121,632,382,003,059.44
  5. Step 5: Solve for x
    x = 121,632,382,003,059.44/12,084,741.40
  6. Step 6: Final answer
    x = 10,064,955.30

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Double scale
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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.