Home / 20,178,345.30-30,267,517.95-14,013,629.70

Finding the Fourth Proportional to 20,178,345.30, 30,267,517.95 and 14,013,629.70

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Solution

The fourth proportional to 20,178,345.30, 30,267,517.95 and 14,013,629.70 is: 21,020,444.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,345.30 : 30,267,517.95 = 14,013,629.70 : x
  2. Step 2: Convert to fraction form
    20,178,345.30/30,267,517.95 = 14,013,629.70/x
  3. Step 3: Cross multiply
    20,178,345.30x = 30,267,517.95 × 14,013,629.70
  4. Step 4: Simplify right side
    20,178,345.30x = 424,157,788,489,403.06
  5. Step 5: Solve for x
    x = 424,157,788,489,403.06/20,178,345.30
  6. Step 6: Final answer
    x = 21,020,444.55

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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.