Home / 51,983,123.40-77,974,685.10-13,648,512.60

Finding the Fourth Proportional to 51,983,123.40, 77,974,685.10 and 13,648,512.60

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Solution

The fourth proportional to 51,983,123.40, 77,974,685.10 and 13,648,512.60 is: 20,472,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,983,123.40 : 77,974,685.10 = 13,648,512.60 : x
  2. Step 2: Convert to fraction form
    51,983,123.40/77,974,685.10 = 13,648,512.60/x
  3. Step 3: Cross multiply
    51,983,123.40x = 77,974,685.10 × 13,648,512.60
  4. Step 4: Simplify right side
    51,983,123.40x = 1,064,238,472,068,382.12
  5. Step 5: Solve for x
    x = 1,064,238,472,068,382.12/51,983,123.40
  6. Step 6: Final answer
    x = 20,472,768.90

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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.