Home / 28,748,036.64-39,672,851.60-15,695,328.92

Finding the Fourth Proportional to 28,748,036.64, 39,672,851.60 and 15,695,328.92

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Solution

The fourth proportional to 28,748,036.64, 39,672,851.60 and 15,695,328.92 is: 21,659,860.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,748,036.64 : 39,672,851.60 = 15,695,328.92 : x
  2. Step 2: Convert to fraction form
    28,748,036.64/39,672,851.60 = 15,695,328.92/x
  3. Step 3: Cross multiply
    28,748,036.64x = 39,672,851.60 × 15,695,328.92
  4. Step 4: Simplify right side
    28,748,036.64x = 622,678,455,056,348.25
  5. Step 5: Solve for x
    x = 622,678,455,056,348.25/28,748,036.64
  6. Step 6: Final answer
    x = 21,659,860.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.