Home / 39,674,521.35-54,752,657.48-22,033,501.78

Finding the Fourth Proportional to 39,674,521.35, 54,752,657.48 and 22,033,501.78

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Solution

The fourth proportional to 39,674,521.35, 54,752,657.48 and 22,033,501.78 is: 30,407,242.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,674,521.35 : 54,752,657.48 = 22,033,501.78 : x
  2. Step 2: Convert to fraction form
    39,674,521.35/54,752,657.48 = 22,033,501.78/x
  3. Step 3: Cross multiply
    39,674,521.35x = 54,752,657.48 × 22,033,501.78
  4. Step 4: Simplify right side
    39,674,521.35x = 1,206,392,776,030,449.50
  5. Step 5: Solve for x
    x = 1,206,392,776,030,449.50/39,674,521.35
  6. Step 6: Final answer
    x = 30,407,242.10

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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.