Home / 30,352,253.80-45,528,380.70-21,264,612.70

Finding the Fourth Proportional to 30,352,253.80, 45,528,380.70 and 21,264,612.70

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Solution

The fourth proportional to 30,352,253.80, 45,528,380.70 and 21,264,612.70 is: 31,896,919.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,352,253.80 : 45,528,380.70 = 21,264,612.70 : x
  2. Step 2: Convert to fraction form
    30,352,253.80/45,528,380.70 = 21,264,612.70/x
  3. Step 3: Cross multiply
    30,352,253.80x = 45,528,380.70 × 21,264,612.70
  4. Step 4: Simplify right side
    30,352,253.80x = 968,143,382,443,654.88
  5. Step 5: Solve for x
    x = 968,143,382,443,654.88/30,352,253.80
  6. Step 6: Final answer
    x = 31,896,919.05

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.