Home / 28,192,463.60-42,288,695.40-21,473,999.60

Finding the Fourth Proportional to 28,192,463.60, 42,288,695.40 and 21,473,999.60

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Solution

The fourth proportional to 28,192,463.60, 42,288,695.40 and 21,473,999.60 is: 32,210,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,192,463.60 : 42,288,695.40 = 21,473,999.60 : x
  2. Step 2: Convert to fraction form
    28,192,463.60/42,288,695.40 = 21,473,999.60/x
  3. Step 3: Cross multiply
    28,192,463.60x = 42,288,695.40 × 21,473,999.60
  4. Step 4: Simplify right side
    28,192,463.60x = 908,107,428,104,121.88
  5. Step 5: Solve for x
    x = 908,107,428,104,121.88/28,192,463.60
  6. Step 6: Final answer
    x = 32,210,999.40

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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.