Home / 19,249,922.16-28,874,902.68-4,872,989.16

Finding the Fourth Proportional to 19,249,922.16, 28,874,902.68 and 4,872,989.16

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Solution

The fourth proportional to 19,249,922.16, 28,874,902.68 and 4,872,989.16 is: 7,309,488.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,249,922.16 : 28,874,902.68 = 4,872,989.16 : x
  2. Step 2: Convert to fraction form
    19,249,922.16/28,874,902.68 = 4,872,989.16/x
  3. Step 3: Cross multiply
    19,249,922.16x = 28,874,902.68 × 4,872,989.16
  4. Step 4: Simplify right side
    19,249,922.16x = 140,707,087,755,694.95
  5. Step 5: Solve for x
    x = 140,707,087,755,694.95/19,249,922.16
  6. Step 6: Final answer
    x = 7,309,488.66

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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.