Home / 21,554,465.60-32,336,191.20-7,181,998.40

Finding the Fourth Proportional to 21,554,465.60, 32,336,191.20 and 7,181,998.40

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Solution

The fourth proportional to 21,554,465.60, 32,336,191.20 and 7,181,998.40 is: 10,774,494.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,554,465.60 : 32,336,191.20 = 7,181,998.40 : x
  2. Step 2: Convert to fraction form
    21,554,465.60/32,336,191.20 = 7,181,998.40/x
  3. Step 3: Cross multiply
    21,554,465.60x = 32,336,191.20 × 7,181,998.40
  4. Step 4: Simplify right side
    21,554,465.60x = 232,238,473,460,494.09
  5. Step 5: Solve for x
    x = 232,238,473,460,494.09/21,554,465.60
  6. Step 6: Final answer
    x = 10,774,494.61

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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.