Home / 28,494,972.59-39,323,095.80-15,442,231.50

Finding the Fourth Proportional to 28,494,972.59, 39,323,095.80 and 15,442,231.50

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Solution

The fourth proportional to 28,494,972.59, 39,323,095.80 and 15,442,231.50 is: 21,310,297.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,494,972.59 : 39,323,095.80 = 15,442,231.50 : x
  2. Step 2: Convert to fraction form
    28,494,972.59/39,323,095.80 = 15,442,231.50/x
  3. Step 3: Cross multiply
    28,494,972.59x = 39,323,095.80 × 15,442,231.50
  4. Step 4: Simplify right side
    28,494,972.59x = 607,236,348,845,647.75
  5. Step 5: Solve for x
    x = 607,236,348,845,647.75/28,494,972.59
  6. Step 6: Final answer
    x = 21,310,297.70

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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.