Home / 22,690,426.36-31,312,988.22-12,377,195.32

Finding the Fourth Proportional to 22,690,426.36, 31,312,988.22 and 12,377,195.32

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Solution

The fourth proportional to 22,690,426.36, 31,312,988.22 and 12,377,195.32 is: 17,080,638.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,690,426.36 : 31,312,988.22 = 12,377,195.32 : x
  2. Step 2: Convert to fraction form
    22,690,426.36/31,312,988.22 = 12,377,195.32/x
  3. Step 3: Cross multiply
    22,690,426.36x = 31,312,988.22 × 12,377,195.32
  4. Step 4: Simplify right side
    22,690,426.36x = 387,566,971,251,799.12
  5. Step 5: Solve for x
    x = 387,566,971,251,799.12/22,690,426.36
  6. Step 6: Final answer
    x = 17,080,638.55

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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.