Home / 30,816,666-42,528,335.88-17,065,630.13

Finding the Fourth Proportional to 30,816,666, 42,528,335.88 and 17,065,630.13

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Solution

The fourth proportional to 30,816,666, 42,528,335.88 and 17,065,630.13 is: 23,551,309.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,816,666 : 42,528,335.88 = 17,065,630.13 : x
  2. Step 2: Convert to fraction form
    30,816,666/42,528,335.88 = 17,065,630.13/x
  3. Step 3: Cross multiply
    30,816,666x = 42,528,335.88 × 17,065,630.13
  4. Step 4: Simplify right side
    30,816,666x = 725,772,850,023,842.50
  5. Step 5: Solve for x
    x = 725,772,850,023,842.50/30,816,666
  6. Step 6: Final answer
    x = 23,551,309.87

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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.