Home / 37,931,221.80-52,345,253.03-20,527,569.72

Finding the Fourth Proportional to 37,931,221.80, 52,345,253.03 and 20,527,569.72

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Solution

The fourth proportional to 37,931,221.80, 52,345,253.03 and 20,527,569.72 is: 28,328,136.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,931,221.80 : 52,345,253.03 = 20,527,569.72 : x
  2. Step 2: Convert to fraction form
    37,931,221.80/52,345,253.03 = 20,527,569.72/x
  3. Step 3: Cross multiply
    37,931,221.80x = 52,345,253.03 × 20,527,569.72
  4. Step 4: Simplify right side
    37,931,221.80x = 1,074,520,830,981,728.25
  5. Step 5: Solve for x
    x = 1,074,520,830,981,728.25/37,931,221.80
  6. Step 6: Final answer
    x = 28,328,136.56

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1.5x scale

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.