Home / 10,178,277.80-15,267,416.70-9,741,439.40

Finding the Fourth Proportional to 10,178,277.80, 15,267,416.70 and 9,741,439.40

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Solution

The fourth proportional to 10,178,277.80, 15,267,416.70 and 9,741,439.40 is: 14,612,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,178,277.80 : 15,267,416.70 = 9,741,439.40 : x
  2. Step 2: Convert to fraction form
    10,178,277.80/15,267,416.70 = 9,741,439.40/x
  3. Step 3: Cross multiply
    10,178,277.80x = 15,267,416.70 × 9,741,439.40
  4. Step 4: Simplify right side
    10,178,277.80x = 148,726,614,577,597.97
  5. Step 5: Solve for x
    x = 148,726,614,577,597.97/10,178,277.80
  6. Step 6: Final answer
    x = 14,612,159.10

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1.5x scale

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.