Home / 10,031,719.73-13,843,772.64-5,681,646.86

Finding the Fourth Proportional to 10,031,719.73, 13,843,772.64 and 5,681,646.86

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Solution

The fourth proportional to 10,031,719.73, 13,843,772.64 and 5,681,646.86 is: 7,840,672.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,031,719.73 : 13,843,772.64 = 5,681,646.86 : x
  2. Step 2: Convert to fraction form
    10,031,719.73/13,843,772.64 = 5,681,646.86/x
  3. Step 3: Cross multiply
    10,031,719.73x = 13,843,772.64 × 5,681,646.86
  4. Step 4: Simplify right side
    10,031,719.73x = 78,655,427,281,391.06
  5. Step 5: Solve for x
    x = 78,655,427,281,391.06/10,031,719.73
  6. Step 6: Final answer
    x = 7,840,672.33

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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.