Home / 28,455,596.16-42,687,465.85-8,761,389.30

Finding the Fourth Proportional to 28,455,596.16, 42,687,465.85 and 8,761,389.30

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Solution

The fourth proportional to 28,455,596.16, 42,687,465.85 and 8,761,389.30 is: 13,143,337.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,455,596.16 : 42,687,465.85 = 8,761,389.30 : x
  2. Step 2: Convert to fraction form
    28,455,596.16/42,687,465.85 = 8,761,389.30/x
  3. Step 3: Cross multiply
    28,455,596.16x = 42,687,465.85 × 8,761,389.30
  4. Step 4: Simplify right side
    28,455,596.16x = 374,001,506,553,257.19
  5. Step 5: Solve for x
    x = 374,001,506,553,257.19/28,455,596.16
  6. Step 6: Final answer
    x = 13,143,337.59

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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.