Home / 30,777,058.20-42,472,020.96-16,838,281.56

Finding the Fourth Proportional to 30,777,058.20, 42,472,020.96 and 16,838,281.56

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Solution

The fourth proportional to 30,777,058.20, 42,472,020.96 and 16,838,281.56 is: 23,236,653.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,777,058.20 : 42,472,020.96 = 16,838,281.56 : x
  2. Step 2: Convert to fraction form
    30,777,058.20/42,472,020.96 = 16,838,281.56/x
  3. Step 3: Cross multiply
    30,777,058.20x = 42,472,020.96 × 16,838,281.56
  4. Step 4: Simplify right side
    30,777,058.20x = 715,155,847,346,701.50
  5. Step 5: Solve for x
    x = 715,155,847,346,701.50/30,777,058.20
  6. Step 6: Final answer
    x = 23,236,653.83

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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.