Home / 9,156,485.80-12,635,486.38-5,435,475.88

Finding the Fourth Proportional to 9,156,485.80, 12,635,486.38 and 5,435,475.88

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Solution

The fourth proportional to 9,156,485.80, 12,635,486.38 and 5,435,475.88 is: 7,500,681.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,156,485.80 : 12,635,486.38 = 5,435,475.88 : x
  2. Step 2: Convert to fraction form
    9,156,485.80/12,635,486.38 = 5,435,475.88/x
  3. Step 3: Cross multiply
    9,156,485.80x = 12,635,486.38 × 5,435,475.88
  4. Step 4: Simplify right side
    9,156,485.80x = 68,679,881,373,641.69
  5. Step 5: Solve for x
    x = 68,679,881,373,641.69/9,156,485.80
  6. Step 6: Final answer
    x = 7,500,681.25

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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.