Home / 9,991,384.83-13,788,444.92-6,123,158.55

Finding the Fourth Proportional to 9,991,384.83, 13,788,444.92 and 6,123,158.55

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Solution

The fourth proportional to 9,991,384.83, 13,788,444.92 and 6,123,158.55 is: 8,450,163.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,991,384.83 : 13,788,444.92 = 6,123,158.55 : x
  2. Step 2: Convert to fraction form
    9,991,384.83/13,788,444.92 = 6,123,158.55/x
  3. Step 3: Cross multiply
    9,991,384.83x = 13,788,444.92 × 6,123,158.55
  4. Step 4: Simplify right side
    9,991,384.83x = 84,428,834,372,486.27
  5. Step 5: Solve for x
    x = 84,428,834,372,486.27/9,991,384.83
  6. Step 6: Final answer
    x = 8,450,163.40

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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.