Home / 28,342,204.80-42,484,276.80-13,943,126.40

Finding the Fourth Proportional to 28,342,204.80, 42,484,276.80 and 13,943,126.40

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Solution

The fourth proportional to 28,342,204.80, 42,484,276.80 and 13,943,126.40 is: 20,900,407.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,342,204.80 : 42,484,276.80 = 13,943,126.40 : x
  2. Step 2: Convert to fraction form
    28,342,204.80/42,484,276.80 = 13,943,126.40/x
  3. Step 3: Cross multiply
    28,342,204.80x = 42,484,276.80 × 13,943,126.40
  4. Step 4: Simplify right side
    28,342,204.80x = 592,363,641,434,987.50
  5. Step 5: Solve for x
    x = 592,363,641,434,987.50/28,342,204.80
  6. Step 6: Final answer
    x = 20,900,407.91

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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.