Home / 28,603,407.60-42,905,111.40-26,251,945.20

Finding the Fourth Proportional to 28,603,407.60, 42,905,111.40 and 26,251,945.20

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Solution

The fourth proportional to 28,603,407.60, 42,905,111.40 and 26,251,945.20 is: 39,377,917.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,603,407.60 : 42,905,111.40 = 26,251,945.20 : x
  2. Step 2: Convert to fraction form
    28,603,407.60/42,905,111.40 = 26,251,945.20/x
  3. Step 3: Cross multiply
    28,603,407.60x = 42,905,111.40 × 26,251,945.20
  4. Step 4: Simplify right side
    28,603,407.60x = 1,126,342,633,272,695.25
  5. Step 5: Solve for x
    x = 1,126,342,633,272,695.25/28,603,407.60
  6. Step 6: Final answer
    x = 39,377,917.80

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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.