Home / 12,588,740.16-18,811,445.40-9,452,344.80

Finding the Fourth Proportional to 12,588,740.16, 18,811,445.40 and 9,452,344.80

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Solution

The fourth proportional to 12,588,740.16, 18,811,445.40 and 9,452,344.80 is: 14,124,707.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588,740.16 : 18,811,445.40 = 9,452,344.80 : x
  2. Step 2: Convert to fraction form
    12,588,740.16/18,811,445.40 = 9,452,344.80/x
  3. Step 3: Cross multiply
    12,588,740.16x = 18,811,445.40 × 9,452,344.80
  4. Step 4: Simplify right side
    12,588,740.16x = 177,812,268,107,173.91
  5. Step 5: Solve for x
    x = 177,812,268,107,173.91/12,588,740.16
  6. Step 6: Final answer
    x = 14,124,707.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.