Home / 42,704,004.12-64,042,758.06-15,406,748.28

Finding the Fourth Proportional to 42,704,004.12, 64,042,758.06 and 15,406,748.28

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Solution

The fourth proportional to 42,704,004.12, 64,042,758.06 and 15,406,748.28 is: 23,105,342.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,704,004.12 : 64,042,758.06 = 15,406,748.28 : x
  2. Step 2: Convert to fraction form
    42,704,004.12/64,042,758.06 = 15,406,748.28/x
  3. Step 3: Cross multiply
    42,704,004.12x = 64,042,758.06 × 15,406,748.28
  4. Step 4: Simplify right side
    42,704,004.12x = 986,690,652,587,361.12
  5. Step 5: Solve for x
    x = 986,690,652,587,361.12/42,704,004.12
  6. Step 6: Final answer
    x = 23,105,342.76

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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.