Home / 21,817,242.18-30,108,025.89-12,028,036.95

Finding the Fourth Proportional to 21,817,242.18, 30,108,025.89 and 12,028,036.95

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Solution

The fourth proportional to 21,817,242.18, 30,108,025.89 and 12,028,036.95 is: 16,598,818.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,817,242.18 : 30,108,025.89 = 12,028,036.95 : x
  2. Step 2: Convert to fraction form
    21,817,242.18/30,108,025.89 = 12,028,036.95/x
  3. Step 3: Cross multiply
    21,817,242.18x = 30,108,025.89 × 12,028,036.95
  4. Step 4: Simplify right side
    21,817,242.18x = 362,140,447,896,476.62
  5. Step 5: Solve for x
    x = 362,140,447,896,476.62/21,817,242.18
  6. Step 6: Final answer
    x = 16,598,818.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.