Home / 28,368,049.60-42,552,074.40-7,897,729.60

Finding the Fourth Proportional to 28,368,049.60, 42,552,074.40 and 7,897,729.60

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Solution

The fourth proportional to 28,368,049.60, 42,552,074.40 and 7,897,729.60 is: 11,846,594.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,368,049.60 : 42,552,074.40 = 7,897,729.60 : x
  2. Step 2: Convert to fraction form
    28,368,049.60/42,552,074.40 = 7,897,729.60/x
  3. Step 3: Cross multiply
    28,368,049.60x = 42,552,074.40 × 7,897,729.60
  4. Step 4: Simplify right side
    28,368,049.60x = 336,064,777,530,282.19
  5. Step 5: Solve for x
    x = 336,064,777,530,282.19/28,368,049.60
  6. Step 6: Final answer
    x = 11,846,594.40

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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.