Home / 9,642,804.78-13,306,191.12-5,721,885.30

Finding the Fourth Proportional to 9,642,804.78, 13,306,191.12 and 5,721,885.30

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Solution

The fourth proportional to 9,642,804.78, 13,306,191.12 and 5,721,885.30 is: 7,895,679.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,642,804.78 : 13,306,191.12 = 5,721,885.30 : x
  2. Step 2: Convert to fraction form
    9,642,804.78/13,306,191.12 = 5,721,885.30/x
  3. Step 3: Cross multiply
    9,642,804.78x = 13,306,191.12 × 5,721,885.30
  4. Step 4: Simplify right side
    9,642,804.78x = 76,136,499,368,518.53
  5. Step 5: Solve for x
    x = 76,136,499,368,518.53/9,642,804.78
  6. Step 6: Final answer
    x = 7,895,679.85

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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.