Home / 19,316,584.60-28,974,876.90-18,371,800.60

Finding the Fourth Proportional to 19,316,584.60, 28,974,876.90 and 18,371,800.60

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Solution

The fourth proportional to 19,316,584.60, 28,974,876.90 and 18,371,800.60 is: 27,557,700.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,316,584.60 : 28,974,876.90 = 18,371,800.60 : x
  2. Step 2: Convert to fraction form
    19,316,584.60/28,974,876.90 = 18,371,800.60/x
  3. Step 3: Cross multiply
    19,316,584.60x = 28,974,876.90 × 18,371,800.60
  4. Step 4: Simplify right side
    19,316,584.60x = 532,320,660,816,346.12
  5. Step 5: Solve for x
    x = 532,320,660,816,346.12/19,316,584.60
  6. Step 6: Final answer
    x = 27,557,700.90

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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.