Home / 18,445,087.40-27,667,631.10-5,663,931.35

Finding the Fourth Proportional to 18,445,087.40, 27,667,631.10 and 5,663,931.35

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Solution

The fourth proportional to 18,445,087.40, 27,667,631.10 and 5,663,931.35 is: 8,495,897.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445,087.40 : 27,667,631.10 = 5,663,931.35 : x
  2. Step 2: Convert to fraction form
    18,445,087.40/27,667,631.10 = 5,663,931.35/x
  3. Step 3: Cross multiply
    18,445,087.40x = 27,667,631.10 × 5,663,931.35
  4. Step 4: Simplify right side
    18,445,087.40x = 156,707,563,167,524.97
  5. Step 5: Solve for x
    x = 156,707,563,167,524.97/18,445,087.40
  6. Step 6: Final answer
    x = 8,495,897.03

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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.