Home / 15,588,905.54-21,502,553.12-9,998,296.88

Finding the Fourth Proportional to 15,588,905.54, 21,502,553.12 and 9,998,296.88

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Solution

The fourth proportional to 15,588,905.54, 21,502,553.12 and 9,998,296.88 is: 13,791,148.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,588,905.54 : 21,502,553.12 = 9,998,296.88 : x
  2. Step 2: Convert to fraction form
    15,588,905.54/21,502,553.12 = 9,998,296.88/x
  3. Step 3: Cross multiply
    15,588,905.54x = 21,502,553.12 × 9,998,296.88
  4. Step 4: Simplify right side
    15,588,905.54x = 214,988,909,771,730.28
  5. Step 5: Solve for x
    x = 214,988,909,771,730.28/15,588,905.54
  6. Step 6: Final answer
    x = 13,791,148.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.