Home / 10,590,332.46-15,874,439.49-5,191,507.50

Finding the Fourth Proportional to 10,590,332.46, 15,874,439.49 and 5,191,507.50

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Solution

The fourth proportional to 10,590,332.46, 15,874,439.49 and 5,191,507.50 is: 7,781,839.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,590,332.46 : 15,874,439.49 = 5,191,507.50 : x
  2. Step 2: Convert to fraction form
    10,590,332.46/15,874,439.49 = 5,191,507.50/x
  3. Step 3: Cross multiply
    10,590,332.46x = 15,874,439.49 × 5,191,507.50
  4. Step 4: Simplify right side
    10,590,332.46x = 82,412,271,670,631.17
  5. Step 5: Solve for x
    x = 82,412,271,670,631.17/10,590,332.46
  6. Step 6: Final answer
    x = 7,781,839.90

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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.