Home / 30,279,301.20-45,364,823.55-18,426,854.70

Finding the Fourth Proportional to 30,279,301.20, 45,364,823.55 and 18,426,854.70

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Solution

The fourth proportional to 30,279,301.20, 45,364,823.55 and 18,426,854.70 is: 27,607,341.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,279,301.20 : 45,364,823.55 = 18,426,854.70 : x
  2. Step 2: Convert to fraction form
    30,279,301.20/45,364,823.55 = 18,426,854.70/x
  3. Step 3: Cross multiply
    30,279,301.20x = 45,364,823.55 × 18,426,854.70
  4. Step 4: Simplify right side
    30,279,301.20x = 835,931,012,046,988.12
  5. Step 5: Solve for x
    x = 835,931,012,046,988.12/30,279,301.20
  6. Step 6: Final answer
    x = 27,607,341.61

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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.