Home / 28,374,382.40-42,567,552.24-9,203,644.80

Finding the Fourth Proportional to 28,374,382.40, 42,567,552.24 and 9,203,644.80

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Solution

The fourth proportional to 28,374,382.40, 42,567,552.24 and 9,203,644.80 is: 13,807,406.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,374,382.40 : 42,567,552.24 = 9,203,644.80 : x
  2. Step 2: Convert to fraction form
    28,374,382.40/42,567,552.24 = 9,203,644.80/x
  3. Step 3: Cross multiply
    28,374,382.40x = 42,567,552.24 × 9,203,644.80
  4. Step 4: Simplify right side
    28,374,382.40x = 391,776,630,822,404.38
  5. Step 5: Solve for x
    x = 391,776,630,822,404.38/28,374,382.40
  6. Step 6: Final answer
    x = 13,807,406.46

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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.