Home / 8,487,457.16-12,731,189.83-2,807,681.47

Finding the Fourth Proportional to 8,487,457.16, 12,731,189.83 and 2,807,681.47

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Solution

The fourth proportional to 8,487,457.16, 12,731,189.83 and 2,807,681.47 is: 4,211,523.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,487,457.16 : 12,731,189.83 = 2,807,681.47 : x
  2. Step 2: Convert to fraction form
    8,487,457.16/12,731,189.83 = 2,807,681.47/x
  3. Step 3: Cross multiply
    8,487,457.16x = 12,731,189.83 × 2,807,681.47
  4. Step 4: Simplify right side
    8,487,457.16x = 35,745,125,737,896.27
  5. Step 5: Solve for x
    x = 35,745,125,737,896.27/8,487,457.16
  6. Step 6: Final answer
    x = 4,211,523.56

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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.