Home / 31,455,723.22-43,386,536.85-20,996,465.98

Finding the Fourth Proportional to 31,455,723.22, 43,386,536.85 and 20,996,465.98

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Solution

The fourth proportional to 31,455,723.22, 43,386,536.85 and 20,996,465.98 is: 28,960,197.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,455,723.22 : 43,386,536.85 = 20,996,465.98 : x
  2. Step 2: Convert to fraction form
    31,455,723.22/43,386,536.85 = 20,996,465.98/x
  3. Step 3: Cross multiply
    31,455,723.22x = 43,386,536.85 × 20,996,465.98
  4. Step 4: Simplify right side
    31,455,723.22x = 910,963,944,961,041.38
  5. Step 5: Solve for x
    x = 910,963,944,961,041.38/31,455,723.22
  6. Step 6: Final answer
    x = 28,960,197.12

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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.