Home / 30,375,605.56-41,918,446.80-16,436,960.78

Finding the Fourth Proportional to 30,375,605.56, 41,918,446.80 and 16,436,960.78

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Solution

The fourth proportional to 30,375,605.56, 41,918,446.80 and 16,436,960.78 is: 22,683,066.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,375,605.56 : 41,918,446.80 = 16,436,960.78 : x
  2. Step 2: Convert to fraction form
    30,375,605.56/41,918,446.80 = 16,436,960.78/x
  3. Step 3: Cross multiply
    30,375,605.56x = 41,918,446.80 × 16,436,960.78
  4. Step 4: Simplify right side
    30,375,605.56x = 689,011,866,010,116.38
  5. Step 5: Solve for x
    x = 689,011,866,010,116.38/30,375,605.56
  6. Step 6: Final answer
    x = 22,683,066.01

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1.5x scale

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.