Home / 9,966,253.52-13,753,488.65-5,782,429.60

Finding the Fourth Proportional to 9,966,253.52, 13,753,488.65 and 5,782,429.60

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Solution

The fourth proportional to 9,966,253.52, 13,753,488.65 and 5,782,429.60 is: 7,979,786.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966,253.52 : 13,753,488.65 = 5,782,429.60 : x
  2. Step 2: Convert to fraction form
    9,966,253.52/13,753,488.65 = 5,782,429.60/x
  3. Step 3: Cross multiply
    9,966,253.52x = 13,753,488.65 × 5,782,429.60
  4. Step 4: Simplify right side
    9,966,253.52x = 79,528,579,809,728.17
  5. Step 5: Solve for x
    x = 79,528,579,809,728.17/9,966,253.52
  6. Step 6: Final answer
    x = 7,979,786.95

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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.