Home / 31,091,839.56-46,643,737.14-11,921,101.52

Finding the Fourth Proportional to 31,091,839.56, 46,643,737.14 and 11,921,101.52

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Solution

The fourth proportional to 31,091,839.56, 46,643,737.14 and 11,921,101.52 is: 17,883,944.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,091,839.56 : 46,643,737.14 = 11,921,101.52 : x
  2. Step 2: Convert to fraction form
    31,091,839.56/46,643,737.14 = 11,921,101.52/x
  3. Step 3: Cross multiply
    31,091,839.56x = 46,643,737.14 × 11,921,101.52
  4. Step 4: Simplify right side
    31,091,839.56x = 556,044,725,484,915.81
  5. Step 5: Solve for x
    x = 556,044,725,484,915.81/31,091,839.56
  6. Step 6: Final answer
    x = 17,883,944.26

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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.