Home / 18,128,045.60-27,192,068.40-13,649,069.60

Finding the Fourth Proportional to 18,128,045.60, 27,192,068.40 and 13,649,069.60

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Solution

The fourth proportional to 18,128,045.60, 27,192,068.40 and 13,649,069.60 is: 20,473,604.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,128,045.60 : 27,192,068.40 = 13,649,069.60 : x
  2. Step 2: Convert to fraction form
    18,128,045.60/27,192,068.40 = 13,649,069.60/x
  3. Step 3: Cross multiply
    18,128,045.60x = 27,192,068.40 × 13,649,069.60
  4. Step 4: Simplify right side
    18,128,045.60x = 371,146,434,159,560.62
  5. Step 5: Solve for x
    x = 371,146,434,159,560.62/18,128,045.60
  6. Step 6: Final answer
    x = 20,473,604.40

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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.