Home / 10,852,097.40-14,972,827.07-6,986,856.78

Finding the Fourth Proportional to 10,852,097.40, 14,972,827.07 and 6,986,856.78

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Solution

The fourth proportional to 10,852,097.40, 14,972,827.07 and 6,986,856.78 is: 9,639,887.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,852,097.40 : 14,972,827.07 = 6,986,856.78 : x
  2. Step 2: Convert to fraction form
    10,852,097.40/14,972,827.07 = 6,986,856.78/x
  3. Step 3: Cross multiply
    10,852,097.40x = 14,972,827.07 × 6,986,856.78
  4. Step 4: Simplify right side
    10,852,097.40x = 104,612,998,294,862.75
  5. Step 5: Solve for x
    x = 104,612,998,294,862.75/10,852,097.40
  6. Step 6: Final answer
    x = 9,639,887.52

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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.