Home / 21,877,335.30-32,816,002.95-12,919,383.30

Finding the Fourth Proportional to 21,877,335.30, 32,816,002.95 and 12,919,383.30

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Solution

The fourth proportional to 21,877,335.30, 32,816,002.95 and 12,919,383.30 is: 19,379,074.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,877,335.30 : 32,816,002.95 = 12,919,383.30 : x
  2. Step 2: Convert to fraction form
    21,877,335.30/32,816,002.95 = 12,919,383.30/x
  3. Step 3: Cross multiply
    21,877,335.30x = 32,816,002.95 × 12,919,383.30
  4. Step 4: Simplify right side
    21,877,335.30x = 423,962,520,484,980.75
  5. Step 5: Solve for x
    x = 423,962,520,484,980.75/21,877,335.30
  6. Step 6: Final answer
    x = 19,379,074.95

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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.