Home / 20,397,666.17-30,577,263.73-10,152,839.97

Finding the Fourth Proportional to 20,397,666.17, 30,577,263.73 and 10,152,839.97

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Solution

The fourth proportional to 20,397,666.17, 30,577,263.73 and 10,152,839.97 is: 15,219,685.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,397,666.17 : 30,577,263.73 = 10,152,839.97 : x
  2. Step 2: Convert to fraction form
    20,397,666.17/30,577,263.73 = 10,152,839.97/x
  3. Step 3: Cross multiply
    20,397,666.17x = 30,577,263.73 × 10,152,839.97
  4. Step 4: Simplify right side
    20,397,666.17x = 310,446,065,402,902.94
  5. Step 5: Solve for x
    x = 310,446,065,402,902.94/20,397,666.17
  6. Step 6: Final answer
    x = 15,219,685.56

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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.