Home / 10,502,021.30-15,721,539.15-6,239,995.70

Finding the Fourth Proportional to 10,502,021.30, 15,721,539.15 and 6,239,995.70

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Solution

The fourth proportional to 10,502,021.30, 15,721,539.15 and 6,239,995.70 is: 9,341,281.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502,021.30 : 15,721,539.15 = 6,239,995.70 : x
  2. Step 2: Convert to fraction form
    10,502,021.30/15,721,539.15 = 6,239,995.70/x
  3. Step 3: Cross multiply
    10,502,021.30x = 15,721,539.15 × 6,239,995.70
  4. Step 4: Simplify right side
    10,502,021.30x = 98,102,336,693,381.66
  5. Step 5: Solve for x
    x = 98,102,336,693,381.66/10,502,021.30
  6. Step 6: Final answer
    x = 9,341,281.44

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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.