Home / 30,499,240.92-42,087,701.25-16,560,054.39

Finding the Fourth Proportional to 30,499,240.92, 42,087,701.25 and 16,560,054.39

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Solution

The fourth proportional to 30,499,240.92, 42,087,701.25 and 16,560,054.39 is: 22,852,195.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,499,240.92 : 42,087,701.25 = 16,560,054.39 : x
  2. Step 2: Convert to fraction form
    30,499,240.92/42,087,701.25 = 16,560,054.39/x
  3. Step 3: Cross multiply
    30,499,240.92x = 42,087,701.25 × 16,560,054.39
  4. Step 4: Simplify right side
    30,499,240.92x = 696,974,621,850,071
  5. Step 5: Solve for x
    x = 696,974,621,850,071/30,499,240.92
  6. Step 6: Final answer
    x = 22,852,195.69

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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.