Home / 20,620,465.34-30,957,730.13-13,827,434.85

Finding the Fourth Proportional to 20,620,465.34, 30,957,730.13 and 13,827,434.85

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Solution

The fourth proportional to 20,620,465.34, 30,957,730.13 and 13,827,434.85 is: 20,759,279.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,620,465.34 : 30,957,730.13 = 13,827,434.85 : x
  2. Step 2: Convert to fraction form
    20,620,465.34/30,957,730.13 = 13,827,434.85/x
  3. Step 3: Cross multiply
    20,620,465.34x = 30,957,730.13 × 13,827,434.85
  4. Step 4: Simplify right side
    20,620,465.34x = 428,065,996,407,319.88
  5. Step 5: Solve for x
    x = 428,065,996,407,319.88/20,620,465.34
  6. Step 6: Final answer
    x = 20,759,279.17

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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.