Home / 21,473,409.55-32,169,473.56-12,693,402.19

Finding the Fourth Proportional to 21,473,409.55, 32,169,473.56 and 12,693,402.19

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Solution

The fourth proportional to 21,473,409.55, 32,169,473.56 and 12,693,402.19 is: 19,016,079.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,473,409.55 : 32,169,473.56 = 12,693,402.19 : x
  2. Step 2: Convert to fraction form
    21,473,409.55/32,169,473.56 = 12,693,402.19/x
  3. Step 3: Cross multiply
    21,473,409.55x = 32,169,473.56 × 12,693,402.19
  4. Step 4: Simplify right side
    21,473,409.55x = 408,340,066,137,651.06
  5. Step 5: Solve for x
    x = 408,340,066,137,651.06/21,473,409.55
  6. Step 6: Final answer
    x = 19,016,079.64

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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.