Home / 30,167,282.55-41,651,677.95-28,239,923.19

Finding the Fourth Proportional to 30,167,282.55, 41,651,677.95 and 28,239,923.19

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Solution

The fourth proportional to 30,167,282.55, 41,651,677.95 and 28,239,923.19 is: 38,990,591.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,167,282.55 : 41,651,677.95 = 28,239,923.19 : x
  2. Step 2: Convert to fraction form
    30,167,282.55/41,651,677.95 = 28,239,923.19/x
  3. Step 3: Cross multiply
    30,167,282.55x = 41,651,677.95 × 28,239,923.19
  4. Step 4: Simplify right side
    30,167,282.55x = 1,176,240,186,042,616.75
  5. Step 5: Solve for x
    x = 1,176,240,186,042,616.75/30,167,282.55
  6. Step 6: Final answer
    x = 38,990,591.35

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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.