Home / 30,965,448.54-42,730,645.59-17,213,437.02

Finding the Fourth Proportional to 30,965,448.54, 42,730,645.59 and 17,213,437.02

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Solution

The fourth proportional to 30,965,448.54, 42,730,645.59 and 17,213,437.02 is: 23,753,612.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,965,448.54 : 42,730,645.59 = 17,213,437.02 : x
  2. Step 2: Convert to fraction form
    30,965,448.54/42,730,645.59 = 17,213,437.02/x
  3. Step 3: Cross multiply
    30,965,448.54x = 42,730,645.59 × 17,213,437.02
  4. Step 4: Simplify right side
    30,965,448.54x = 735,541,276,687,405.75
  5. Step 5: Solve for x
    x = 735,541,276,687,405.75/30,965,448.54
  6. Step 6: Final answer
    x = 23,753,612.86

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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.