Home / 31,605,645.52-47,408,122.68-7,671,117.52

Finding the Fourth Proportional to 31,605,645.52, 47,408,122.68 and 7,671,117.52

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Solution

The fourth proportional to 31,605,645.52, 47,408,122.68 and 7,671,117.52 is: 11,506,592.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,605,645.52 : 47,408,122.68 = 7,671,117.52 : x
  2. Step 2: Convert to fraction form
    31,605,645.52/47,408,122.68 = 7,671,117.52/x
  3. Step 3: Cross multiply
    31,605,645.52x = 47,408,122.68 × 7,671,117.52
  4. Step 4: Simplify right side
    31,605,645.52x = 363,673,280,480,857.31
  5. Step 5: Solve for x
    x = 363,673,280,480,857.31/31,605,645.52
  6. Step 6: Final answer
    x = 11,506,592.40

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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.