Home / 12,703,515.32-19,044,561.54-5,509,631

Finding the Fourth Proportional to 12,703,515.32, 19,044,561.54 and 5,509,631

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Solution

The fourth proportional to 12,703,515.32, 19,044,561.54 and 5,509,631 is: 8,259,800.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,703,515.32 : 19,044,561.54 = 5,509,631 : x
  2. Step 2: Convert to fraction form
    12,703,515.32/19,044,561.54 = 5,509,631/x
  3. Step 3: Cross multiply
    12,703,515.32x = 19,044,561.54 × 5,509,631
  4. Step 4: Simplify right side
    12,703,515.32x = 104,928,506,642,191.73
  5. Step 5: Solve for x
    x = 104,928,506,642,191.73/12,703,515.32
  6. Step 6: Final answer
    x = 8,259,800.85

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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.