Home / 9,642,817.74-13,306,208.94-5,721,898.20

Finding the Fourth Proportional to 9,642,817.74, 13,306,208.94 and 5,721,898.20

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Solution

The fourth proportional to 9,642,817.74, 13,306,208.94 and 5,721,898.20 is: 7,895,697.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,642,817.74 : 13,306,208.94 = 5,721,898.20 : x
  2. Step 2: Convert to fraction form
    9,642,817.74/13,306,208.94 = 5,721,898.20/x
  3. Step 3: Cross multiply
    9,642,817.74x = 13,306,208.94 × 5,721,898.20
  4. Step 4: Simplify right side
    9,642,817.74x = 76,136,772,982,609.91
  5. Step 5: Solve for x
    x = 76,136,772,982,609.91/9,642,817.74
  6. Step 6: Final answer
    x = 7,895,697.61

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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.