Home / 12,889,653.22-17,787,366.74-7,088,434.96

Finding the Fourth Proportional to 12,889,653.22, 17,787,366.74 and 7,088,434.96

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Solution

The fourth proportional to 12,889,653.22, 17,787,366.74 and 7,088,434.96 is: 9,781,845.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,889,653.22 : 17,787,366.74 = 7,088,434.96 : x
  2. Step 2: Convert to fraction form
    12,889,653.22/17,787,366.74 = 7,088,434.96/x
  3. Step 3: Cross multiply
    12,889,653.22x = 17,787,366.74 × 7,088,434.96
  4. Step 4: Simplify right side
    12,889,653.22x = 126,084,592,210,715.05
  5. Step 5: Solve for x
    x = 126,084,592,210,715.05/12,889,653.22
  6. Step 6: Final answer
    x = 9,781,845.18

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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.