Home / 30,208,549.35-45,312,824.03-8,643,854.55

Finding the Fourth Proportional to 30,208,549.35, 45,312,824.03 and 8,643,854.55

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Solution

The fourth proportional to 30,208,549.35, 45,312,824.03 and 8,643,854.55 is: 12,965,781.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,208,549.35 : 45,312,824.03 = 8,643,854.55 : x
  2. Step 2: Convert to fraction form
    30,208,549.35/45,312,824.03 = 8,643,854.55/x
  3. Step 3: Cross multiply
    30,208,549.35x = 45,312,824.03 × 8,643,854.55
  4. Step 4: Simplify right side
    30,208,549.35x = 391,677,460,121,845.56
  5. Step 5: Solve for x
    x = 391,677,460,121,845.56/30,208,549.35
  6. Step 6: Final answer
    x = 12,965,781.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.