Home / 22,746,370.80-34,119,556.20-20,478,889.20

Finding the Fourth Proportional to 22,746,370.80, 34,119,556.20 and 20,478,889.20

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Solution

The fourth proportional to 22,746,370.80, 34,119,556.20 and 20,478,889.20 is: 30,718,333.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,746,370.80 : 34,119,556.20 = 20,478,889.20 : x
  2. Step 2: Convert to fraction form
    22,746,370.80/34,119,556.20 = 20,478,889.20/x
  3. Step 3: Cross multiply
    22,746,370.80x = 34,119,556.20 × 20,478,889.20
  4. Step 4: Simplify right side
    22,746,370.80x = 698,730,610,972,973.12
  5. Step 5: Solve for x
    x = 698,730,610,972,973.12/22,746,370.80
  6. Step 6: Final answer
    x = 30,718,333.80

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1.5x scale

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.