Home / 9,772,715.56-13,487,966.18-5,423,198.96

Finding the Fourth Proportional to 9,772,715.56, 13,487,966.18 and 5,423,198.96

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Solution

The fourth proportional to 9,772,715.56, 13,487,966.18 and 5,423,198.96 is: 7,484,912.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,772,715.56 : 13,487,966.18 = 5,423,198.96 : x
  2. Step 2: Convert to fraction form
    9,772,715.56/13,487,966.18 = 5,423,198.96/x
  3. Step 3: Cross multiply
    9,772,715.56x = 13,487,966.18 × 5,423,198.96
  4. Step 4: Simplify right side
    9,772,715.56x = 73,147,924,159,891.17
  5. Step 5: Solve for x
    x = 73,147,924,159,891.17/9,772,715.56
  6. Step 6: Final answer
    x = 7,484,912.84

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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.