Home / 21,061,598.46-31,604,055.20-10,278,988.62

Finding the Fourth Proportional to 21,061,598.46, 31,604,055.20 and 10,278,988.62

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Solution

The fourth proportional to 21,061,598.46, 31,604,055.20 and 10,278,988.62 is: 15,424,172.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,061,598.46 : 31,604,055.20 = 10,278,988.62 : x
  2. Step 2: Convert to fraction form
    21,061,598.46/31,604,055.20 = 10,278,988.62/x
  3. Step 3: Cross multiply
    21,061,598.46x = 31,604,055.20 × 10,278,988.62
  4. Step 4: Simplify right side
    21,061,598.46x = 324,857,723,746,651.81
  5. Step 5: Solve for x
    x = 324,857,723,746,651.81/21,061,598.46
  6. Step 6: Final answer
    x = 15,424,172.31

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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.