Home / 14,019,780.64-21,068,931.12-8,340,881.44

Finding the Fourth Proportional to 14,019,780.64, 21,068,931.12 and 8,340,881.44

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Solution

The fourth proportional to 14,019,780.64, 21,068,931.12 and 8,340,881.44 is: 12,534,679.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019,780.64 : 21,068,931.12 = 8,340,881.44 : x
  2. Step 2: Convert to fraction form
    14,019,780.64/21,068,931.12 = 8,340,881.44/x
  3. Step 3: Cross multiply
    14,019,780.64x = 21,068,931.12 × 8,340,881.44
  4. Step 4: Simplify right side
    14,019,780.64x = 175,733,456,539,446.44
  5. Step 5: Solve for x
    x = 175,733,456,539,446.44/14,019,780.64
  6. Step 6: Final answer
    x = 12,534,679.47

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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.