Home / 17,975,996.80-26,963,995.20-7,898,300.80

Finding the Fourth Proportional to 17,975,996.80, 26,963,995.20 and 7,898,300.80

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Solution

The fourth proportional to 17,975,996.80, 26,963,995.20 and 7,898,300.80 is: 11,847,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,975,996.80 : 26,963,995.20 = 7,898,300.80 : x
  2. Step 2: Convert to fraction form
    17,975,996.80/26,963,995.20 = 7,898,300.80/x
  3. Step 3: Cross multiply
    17,975,996.80x = 26,963,995.20 × 7,898,300.80
  4. Step 4: Simplify right side
    17,975,996.80x = 212,969,744,859,356.16
  5. Step 5: Solve for x
    x = 212,969,744,859,356.16/17,975,996.80
  6. Step 6: Final answer
    x = 11,847,451.20

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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.