Home / 30,436,901.92-42,003,465.84-16,498,713.52

Finding the Fourth Proportional to 30,436,901.92, 42,003,465.84 and 16,498,713.52

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Solution

The fourth proportional to 30,436,901.92, 42,003,465.84 and 16,498,713.52 is: 22,768,518.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,436,901.92 : 42,003,465.84 = 16,498,713.52 : x
  2. Step 2: Convert to fraction form
    30,436,901.92/42,003,465.84 = 16,498,713.52/x
  3. Step 3: Cross multiply
    30,436,901.92x = 42,003,465.84 × 16,498,713.52
  4. Step 4: Simplify right side
    30,436,901.92x = 693,003,149,741,266.25
  5. Step 5: Solve for x
    x = 693,003,149,741,266.25/30,436,901.92
  6. Step 6: Final answer
    x = 22,768,518.02

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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.