Home / 28,128,225.52-42,403,161.40-26,253,337.96

Finding the Fourth Proportional to 28,128,225.52, 42,403,161.40 and 26,253,337.96

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Solution

The fourth proportional to 28,128,225.52, 42,403,161.40 and 26,253,337.96 is: 39,576,777.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,128,225.52 : 42,403,161.40 = 26,253,337.96 : x
  2. Step 2: Convert to fraction form
    28,128,225.52/42,403,161.40 = 26,253,337.96/x
  3. Step 3: Cross multiply
    28,128,225.52x = 42,403,161.40 × 26,253,337.96
  4. Step 4: Simplify right side
    28,128,225.52x = 1,113,224,526,806,626.75
  5. Step 5: Solve for x
    x = 1,113,224,526,806,626.75/28,128,225.52
  6. Step 6: Final answer
    x = 39,576,777.64

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.