Home / 28,182,456.80-38,891,132.34-16,580,768.48

Finding the Fourth Proportional to 28,182,456.80, 38,891,132.34 and 16,580,768.48

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Solution

The fourth proportional to 28,182,456.80, 38,891,132.34 and 16,580,768.48 is: 22,881,073.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,182,456.80 : 38,891,132.34 = 16,580,768.48 : x
  2. Step 2: Convert to fraction form
    28,182,456.80/38,891,132.34 = 16,580,768.48/x
  3. Step 3: Cross multiply
    28,182,456.80x = 38,891,132.34 × 16,580,768.48
  4. Step 4: Simplify right side
    28,182,456.80x = 644,844,861,254,580.75
  5. Step 5: Solve for x
    x = 644,844,861,254,580.75/28,182,456.80
  6. Step 6: Final answer
    x = 22,881,073.35

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1.5x scale

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.