Home / 20,712,931.71-31,068,279.12-6,336,001.14

Finding the Fourth Proportional to 20,712,931.71, 31,068,279.12 and 6,336,001.14

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Solution

The fourth proportional to 20,712,931.71, 31,068,279.12 and 6,336,001.14 is: 9,503,659.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,712,931.71 : 31,068,279.12 = 6,336,001.14 : x
  2. Step 2: Convert to fraction form
    20,712,931.71/31,068,279.12 = 6,336,001.14/x
  3. Step 3: Cross multiply
    20,712,931.71x = 31,068,279.12 × 6,336,001.14
  4. Step 4: Simplify right side
    20,712,931.71x = 196,848,651,922,158.19
  5. Step 5: Solve for x
    x = 196,848,651,922,158.19/20,712,931.71
  6. Step 6: Final answer
    x = 9,503,659.58

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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.