Home / 13,392,002.80-20,088,004.20-9,360,924.40

Finding the Fourth Proportional to 13,392,002.80, 20,088,004.20 and 9,360,924.40

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Solution

The fourth proportional to 13,392,002.80, 20,088,004.20 and 9,360,924.40 is: 14,041,386.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,392,002.80 : 20,088,004.20 = 9,360,924.40 : x
  2. Step 2: Convert to fraction form
    13,392,002.80/20,088,004.20 = 9,360,924.40/x
  3. Step 3: Cross multiply
    13,392,002.80x = 20,088,004.20 × 9,360,924.40
  4. Step 4: Simplify right side
    13,392,002.80x = 188,042,288,663,082.47
  5. Step 5: Solve for x
    x = 188,042,288,663,082.47/13,392,002.80
  6. Step 6: Final answer
    x = 14,041,386.60

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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.