Home / 19,868,947.79-29,778,489.88-8,496,022.91

Finding the Fourth Proportional to 19,868,947.79, 29,778,489.88 and 8,496,022.91

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Solution

The fourth proportional to 19,868,947.79, 29,778,489.88 and 8,496,022.91 is: 12,733,373.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,868,947.79 : 29,778,489.88 = 8,496,022.91 : x
  2. Step 2: Convert to fraction form
    19,868,947.79/29,778,489.88 = 8,496,022.91/x
  3. Step 3: Cross multiply
    19,868,947.79x = 29,778,489.88 × 8,496,022.91
  4. Step 4: Simplify right side
    19,868,947.79x = 252,998,732,075,550.62
  5. Step 5: Solve for x
    x = 252,998,732,075,550.62/19,868,947.79
  6. Step 6: Final answer
    x = 12,733,373.44

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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.