Home / 28,539,632.12-39,384,798.35-15,486,893.73

Finding the Fourth Proportional to 28,539,632.12, 39,384,798.35 and 15,486,893.73

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Solution

The fourth proportional to 28,539,632.12, 39,384,798.35 and 15,486,893.73 is: 21,371,970.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,539,632.12 : 39,384,798.35 = 15,486,893.73 : x
  2. Step 2: Convert to fraction form
    28,539,632.12/39,384,798.35 = 15,486,893.73/x
  3. Step 3: Cross multiply
    28,539,632.12x = 39,384,798.35 × 15,486,893.73
  4. Step 4: Simplify right side
    28,539,632.12x = 609,948,186,546,494.88
  5. Step 5: Solve for x
    x = 609,948,186,546,494.88/28,539,632.12
  6. Step 6: Final answer
    x = 21,371,970.88

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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.