Home / 39,262,605.84-54,185,276.86-28,100,146.92

Finding the Fourth Proportional to 39,262,605.84, 54,185,276.86 and 28,100,146.92

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Solution

The fourth proportional to 39,262,605.84, 54,185,276.86 and 28,100,146.92 is: 38,780,264.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,262,605.84 : 54,185,276.86 = 28,100,146.92 : x
  2. Step 2: Convert to fraction form
    39,262,605.84/54,185,276.86 = 28,100,146.92/x
  3. Step 3: Cross multiply
    39,262,605.84x = 54,185,276.86 × 28,100,146.92
  4. Step 4: Simplify right side
    39,262,605.84x = 1,522,614,240,666,876.25
  5. Step 5: Solve for x
    x = 1,522,614,240,666,876.25/39,262,605.84
  6. Step 6: Final answer
    x = 38,780,264.53

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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.