Home / 12,889,641.71-17,787,350.86-7,088,423.47

Finding the Fourth Proportional to 12,889,641.71, 17,787,350.86 and 7,088,423.47

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Solution

The fourth proportional to 12,889,641.71, 17,787,350.86 and 7,088,423.47 is: 9,781,829.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,889,641.71 : 17,787,350.86 = 7,088,423.47 : x
  2. Step 2: Convert to fraction form
    12,889,641.71/17,787,350.86 = 7,088,423.47/x
  3. Step 3: Cross multiply
    12,889,641.71x = 17,787,350.86 × 7,088,423.47
  4. Step 4: Simplify right side
    12,889,641.71x = 126,084,275,242,959.27
  5. Step 5: Solve for x
    x = 126,084,275,242,959.27/12,889,641.71
  6. Step 6: Final answer
    x = 9,781,829.32

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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.