Home / 30,887,816.40-42,625,069.65-16,949,404.71

Finding the Fourth Proportional to 30,887,816.40, 42,625,069.65 and 16,949,404.71

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Solution

The fourth proportional to 30,887,816.40, 42,625,069.65 and 16,949,404.71 is: 23,390,114.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,887,816.40 : 42,625,069.65 = 16,949,404.71 : x
  2. Step 2: Convert to fraction form
    30,887,816.40/42,625,069.65 = 16,949,404.71/x
  3. Step 3: Cross multiply
    30,887,816.40x = 42,625,069.65 × 16,949,404.71
  4. Step 4: Simplify right side
    30,887,816.40x = 722,469,556,225,598.88
  5. Step 5: Solve for x
    x = 722,469,556,225,598.88/30,887,816.40
  6. Step 6: Final answer
    x = 23,390,114.31

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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.