Home / 18,591,780.80-27,887,671.20-17,316,322.40

Finding the Fourth Proportional to 18,591,780.80, 27,887,671.20 and 17,316,322.40

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Solution

The fourth proportional to 18,591,780.80, 27,887,671.20 and 17,316,322.40 is: 25,974,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591,780.80 : 27,887,671.20 = 17,316,322.40 : x
  2. Step 2: Convert to fraction form
    18,591,780.80/27,887,671.20 = 17,316,322.40/x
  3. Step 3: Cross multiply
    18,591,780.80x = 27,887,671.20 × 17,316,322.40
  4. Step 4: Simplify right side
    18,591,780.80x = 482,911,905,484,394.81
  5. Step 5: Solve for x
    x = 482,911,905,484,394.81/18,591,780.80
  6. Step 6: Final answer
    x = 25,974,483.60

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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.