Home / 15,861,482.18-21,888,769.25-8,985,948.02

Finding the Fourth Proportional to 15,861,482.18, 21,888,769.25 and 8,985,948.02

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Solution

The fourth proportional to 15,861,482.18, 21,888,769.25 and 8,985,948.02 is: 12,400,565.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,861,482.18 : 21,888,769.25 = 8,985,948.02 : x
  2. Step 2: Convert to fraction form
    15,861,482.18/21,888,769.25 = 8,985,948.02/x
  3. Step 3: Cross multiply
    15,861,482.18x = 21,888,769.25 × 8,985,948.02
  4. Step 4: Simplify right side
    15,861,482.18x = 196,691,342,702,274.38
  5. Step 5: Solve for x
    x = 196,691,342,702,274.38/15,861,482.18
  6. Step 6: Final answer
    x = 12,400,565.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.