Home / 42,408,812.88-63,554,366.04-19,323,329.52

Finding the Fourth Proportional to 42,408,812.88, 63,554,366.04 and 19,323,329.52

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Solution

The fourth proportional to 42,408,812.88, 63,554,366.04 and 19,323,329.52 is: 28,958,178.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,408,812.88 : 63,554,366.04 = 19,323,329.52 : x
  2. Step 2: Convert to fraction form
    42,408,812.88/63,554,366.04 = 19,323,329.52/x
  3. Step 3: Cross multiply
    42,408,812.88x = 63,554,366.04 × 19,323,329.52
  4. Step 4: Simplify right side
    42,408,812.88x = 1,228,081,957,425,617.50
  5. Step 5: Solve for x
    x = 1,228,081,957,425,617.50/42,408,812.88
  6. Step 6: Final answer
    x = 28,958,178.12

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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.