Home / 20,884,597.40-31,328,570.64-7,936,950.92

Finding the Fourth Proportional to 20,884,597.40, 31,328,570.64 and 7,936,950.92

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Solution

The fourth proportional to 20,884,597.40, 31,328,570.64 and 7,936,950.92 is: 11,906,062.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,884,597.40 : 31,328,570.64 = 7,936,950.92 : x
  2. Step 2: Convert to fraction form
    20,884,597.40/31,328,570.64 = 7,936,950.92/x
  3. Step 3: Cross multiply
    20,884,597.40x = 31,328,570.64 × 7,936,950.92
  4. Step 4: Simplify right side
    20,884,597.40x = 248,653,327,563,433
  5. Step 5: Solve for x
    x = 248,653,327,563,433/20,884,597.40
  6. Step 6: Final answer
    x = 11,906,062.77

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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.