Home / 10,502,022.30-15,721,540.65-6,239,996.70

Finding the Fourth Proportional to 10,502,022.30, 15,721,540.65 and 6,239,996.70

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Solution

The fourth proportional to 10,502,022.30, 15,721,540.65 and 6,239,996.70 is: 9,341,282.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502,022.30 : 15,721,540.65 = 6,239,996.70 : x
  2. Step 2: Convert to fraction form
    10,502,022.30/15,721,540.65 = 6,239,996.70/x
  3. Step 3: Cross multiply
    10,502,022.30x = 15,721,540.65 × 6,239,996.70
  4. Step 4: Simplify right side
    10,502,022.30x = 98,102,361,774,915.86
  5. Step 5: Solve for x
    x = 98,102,361,774,915.86/10,502,022.30
  6. Step 6: Final answer
    x = 9,341,282.94

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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.