Home / 28,566,155.75-42,850,852.85-9,137,087.98

Finding the Fourth Proportional to 28,566,155.75, 42,850,852.85 and 9,137,087.98

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Solution

The fourth proportional to 28,566,155.75, 42,850,852.85 and 9,137,087.98 is: 13,706,149.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,566,155.75 : 42,850,852.85 = 9,137,087.98 : x
  2. Step 2: Convert to fraction form
    28,566,155.75/42,850,852.85 = 9,137,087.98/x
  3. Step 3: Cross multiply
    28,566,155.75x = 42,850,852.85 × 9,137,087.98
  4. Step 4: Simplify right side
    28,566,155.75x = 391,532,012,424,199.31
  5. Step 5: Solve for x
    x = 391,532,012,424,199.31/28,566,155.75
  6. Step 6: Final answer
    x = 13,706,149.89

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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.