Home / 12,816,106.62-19,202,931.45-9,010,998.78

Finding the Fourth Proportional to 12,816,106.62, 19,202,931.45 and 9,010,998.78

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Solution

The fourth proportional to 12,816,106.62, 19,202,931.45 and 9,010,998.78 is: 13,501,572.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,816,106.62 : 19,202,931.45 = 9,010,998.78 : x
  2. Step 2: Convert to fraction form
    12,816,106.62/19,202,931.45 = 9,010,998.78/x
  3. Step 3: Cross multiply
    12,816,106.62x = 19,202,931.45 × 9,010,998.78
  4. Step 4: Simplify right side
    12,816,106.62x = 173,037,591,868,373.62
  5. Step 5: Solve for x
    x = 173,037,591,868,373.62/12,816,106.62
  6. Step 6: Final answer
    x = 13,501,572.44

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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.