Home / 31,527,471.40-47,291,207.10-8,808,332.20

Finding the Fourth Proportional to 31,527,471.40, 47,291,207.10 and 8,808,332.20

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Solution

The fourth proportional to 31,527,471.40, 47,291,207.10 and 8,808,332.20 is: 13,212,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,527,471.40 : 47,291,207.10 = 8,808,332.20 : x
  2. Step 2: Convert to fraction form
    31,527,471.40/47,291,207.10 = 8,808,332.20/x
  3. Step 3: Cross multiply
    31,527,471.40x = 47,291,207.10 × 8,808,332.20
  4. Step 4: Simplify right side
    31,527,471.40x = 416,556,662,275,798.62
  5. Step 5: Solve for x
    x = 416,556,662,275,798.62/31,527,471.40
  6. Step 6: Final answer
    x = 13,212,498.30

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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.