Home / 13,774,442.40-20,654,290.80-5,787,242.40

Finding the Fourth Proportional to 13,774,442.40, 20,654,290.80 and 5,787,242.40

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Solution

The fourth proportional to 13,774,442.40, 20,654,290.80 and 5,787,242.40 is: 8,677,765.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,774,442.40 : 20,654,290.80 = 5,787,242.40 : x
  2. Step 2: Convert to fraction form
    13,774,442.40/20,654,290.80 = 5,787,242.40/x
  3. Step 3: Cross multiply
    13,774,442.40x = 20,654,290.80 × 5,787,242.40
  4. Step 4: Simplify right side
    13,774,442.40x = 119,531,387,459,689.94
  5. Step 5: Solve for x
    x = 119,531,387,459,689.94/13,774,442.40
  6. Step 6: Final answer
    x = 8,677,765.97

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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.