Home / 28,508,052.90-42,762,079.35-9,339,435.30

Finding the Fourth Proportional to 28,508,052.90, 42,762,079.35 and 9,339,435.30

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Solution

The fourth proportional to 28,508,052.90, 42,762,079.35 and 9,339,435.30 is: 14,009,152.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,508,052.90 : 42,762,079.35 = 9,339,435.30 : x
  2. Step 2: Convert to fraction form
    28,508,052.90/42,762,079.35 = 9,339,435.30/x
  3. Step 3: Cross multiply
    28,508,052.90x = 42,762,079.35 × 9,339,435.30
  4. Step 4: Simplify right side
    28,508,052.90x = 399,373,673,382,791.12
  5. Step 5: Solve for x
    x = 399,373,673,382,791.12/28,508,052.90
  6. Step 6: Final answer
    x = 14,009,152.95

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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.