Home / 30,689,482.80-42,348,471.12-16,937,559.12

Finding the Fourth Proportional to 30,689,482.80, 42,348,471.12 and 16,937,559.12

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Solution

The fourth proportional to 30,689,482.80, 42,348,471.12 and 16,937,559.12 is: 23,372,167.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,689,482.80 : 42,348,471.12 = 16,937,559.12 : x
  2. Step 2: Convert to fraction form
    30,689,482.80/42,348,471.12 = 16,937,559.12/x
  3. Step 3: Cross multiply
    30,689,482.80x = 42,348,471.12 × 16,937,559.12
  4. Step 4: Simplify right side
    30,689,482.80x = 717,279,733,236,612.62
  5. Step 5: Solve for x
    x = 717,279,733,236,612.62/30,689,482.80
  6. Step 6: Final answer
    x = 23,372,167.52

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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.