Home / 26,218,931.51-36,182,280.12-15,212,234.97

Finding the Fourth Proportional to 26,218,931.51, 36,182,280.12 and 15,212,234.97

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Solution

The fourth proportional to 26,218,931.51, 36,182,280.12 and 15,212,234.97 is: 20,992,973.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,218,931.51 : 36,182,280.12 = 15,212,234.97 : x
  2. Step 2: Convert to fraction form
    26,218,931.51/36,182,280.12 = 15,212,234.97/x
  3. Step 3: Cross multiply
    26,218,931.51x = 36,182,280.12 × 15,212,234.97
  4. Step 4: Simplify right side
    26,218,931.51x = 550,413,346,935,799.75
  5. Step 5: Solve for x
    x = 550,413,346,935,799.75/26,218,931.51
  6. Step 6: Final answer
    x = 20,992,973.98

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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.