Home / 31,865,333.70-47,797,927.65-13,657,722.78

Finding the Fourth Proportional to 31,865,333.70, 47,797,927.65 and 13,657,722.78

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Solution

The fourth proportional to 31,865,333.70, 47,797,927.65 and 13,657,722.78 is: 20,486,552.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,865,333.70 : 47,797,927.65 = 13,657,722.78 : x
  2. Step 2: Convert to fraction form
    31,865,333.70/47,797,927.65 = 13,657,722.78/x
  3. Step 3: Cross multiply
    31,865,333.70x = 47,797,927.65 × 13,657,722.78
  4. Step 4: Simplify right side
    31,865,333.70x = 652,810,845,302,196.88
  5. Step 5: Solve for x
    x = 652,810,845,302,196.88/31,865,333.70
  6. Step 6: Final answer
    x = 20,486,552.92

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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.