Home / 28,243,537.70-42,372,523.65-9,074,482.70

Finding the Fourth Proportional to 28,243,537.70, 42,372,523.65 and 9,074,482.70

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Solution

The fourth proportional to 28,243,537.70, 42,372,523.65 and 9,074,482.70 is: 13,614,042.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,243,537.70 : 42,372,523.65 = 9,074,482.70 : x
  2. Step 2: Convert to fraction form
    28,243,537.70/42,372,523.65 = 9,074,482.70/x
  3. Step 3: Cross multiply
    28,243,537.70x = 42,372,523.65 × 9,074,482.70
  4. Step 4: Simplify right side
    28,243,537.70x = 384,508,732,817,265.81
  5. Step 5: Solve for x
    x = 384,508,732,817,265.81/28,243,537.70
  6. Step 6: Final answer
    x = 13,614,042.86

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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.