Home / 52,304,928.76-72,181,465.67-28,786,173.39

Finding the Fourth Proportional to 52,304,928.76, 72,181,465.67 and 28,786,173.39

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Solution

The fourth proportional to 52,304,928.76, 72,181,465.67 and 28,786,173.39 is: 39,725,284.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,304,928.76 : 72,181,465.67 = 28,786,173.39 : x
  2. Step 2: Convert to fraction form
    52,304,928.76/72,181,465.67 = 28,786,173.39/x
  3. Step 3: Cross multiply
    52,304,928.76x = 72,181,465.67 × 28,786,173.39
  4. Step 4: Simplify right side
    52,304,928.76x = 2,077,828,186,392,918
  5. Step 5: Solve for x
    x = 2,077,828,186,392,918/52,304,928.76
  6. Step 6: Final answer
    x = 39,725,284.70

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Double scale
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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.