Home / 31,605,639.52-47,408,113.68-7,671,111.52

Finding the Fourth Proportional to 31,605,639.52, 47,408,113.68 and 7,671,111.52

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Solution

The fourth proportional to 31,605,639.52, 47,408,113.68 and 7,671,111.52 is: 11,506,583.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,605,639.52 : 47,408,113.68 = 7,671,111.52 : x
  2. Step 2: Convert to fraction form
    31,605,639.52/47,408,113.68 = 7,671,111.52/x
  3. Step 3: Cross multiply
    31,605,639.52x = 47,408,113.68 × 7,671,111.52
  4. Step 4: Simplify right side
    31,605,639.52x = 363,672,926,992,117.56
  5. Step 5: Solve for x
    x = 363,672,926,992,117.56/31,605,639.52
  6. Step 6: Final answer
    x = 11,506,583.40

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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.