Home / 9,218,605.05-12,721,677.21-5,088,638.48

Finding the Fourth Proportional to 9,218,605.05, 12,721,677.21 and 5,088,638.48

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Solution

The fourth proportional to 9,218,605.05, 12,721,677.21 and 5,088,638.48 is: 7,022,322.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,218,605.05 : 12,721,677.21 = 5,088,638.48 : x
  2. Step 2: Convert to fraction form
    9,218,605.05/12,721,677.21 = 5,088,638.48/x
  3. Step 3: Cross multiply
    9,218,605.05x = 12,721,677.21 × 5,088,638.48
  4. Step 4: Simplify right side
    9,218,605.05x = 64,736,016,117,336.66
  5. Step 5: Solve for x
    x = 64,736,016,117,336.66/9,218,605.05
  6. Step 6: Final answer
    x = 7,022,322.33

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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.