Home / 10,207,368.90-15,311,053.35-9,968,220.45

Finding the Fourth Proportional to 10,207,368.90, 15,311,053.35 and 9,968,220.45

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Solution

The fourth proportional to 10,207,368.90, 15,311,053.35 and 9,968,220.45 is: 14,952,330.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207,368.90 : 15,311,053.35 = 9,968,220.45 : x
  2. Step 2: Convert to fraction form
    10,207,368.90/15,311,053.35 = 9,968,220.45/x
  3. Step 3: Cross multiply
    10,207,368.90x = 15,311,053.35 × 9,968,220.45
  4. Step 4: Simplify right side
    10,207,368.90x = 152,623,955,114,511
  5. Step 5: Solve for x
    x = 152,623,955,114,511/10,207,368.90
  6. Step 6: Final answer
    x = 14,952,330.68

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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.