Home / 37,931,636.06-52,345,657.13-20,527,981.28

Finding the Fourth Proportional to 37,931,636.06, 52,345,657.13 and 20,527,981.28

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Solution

The fourth proportional to 37,931,636.06, 52,345,657.13 and 20,527,981.28 is: 28,328,613.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,931,636.06 : 52,345,657.13 = 20,527,981.28 : x
  2. Step 2: Convert to fraction form
    37,931,636.06/52,345,657.13 = 20,527,981.28/x
  3. Step 3: Cross multiply
    37,931,636.06x = 52,345,657.13 × 20,527,981.28
  4. Step 4: Simplify right side
    37,931,636.06x = 1,074,550,669,682,162.75
  5. Step 5: Solve for x
    x = 1,074,550,669,682,162.75/37,931,636.06
  6. Step 6: Final answer
    x = 28,328,613.82

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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.