Home / 9,720,998.60-13,415,385.62-5,591,030.92

Finding the Fourth Proportional to 9,720,998.60, 13,415,385.62 and 5,591,030.92

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Solution

The fourth proportional to 9,720,998.60, 13,415,385.62 and 5,591,030.92 is: 7,715,857.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720,998.60 : 13,415,385.62 = 5,591,030.92 : x
  2. Step 2: Convert to fraction form
    9,720,998.60/13,415,385.62 = 5,591,030.92/x
  3. Step 3: Cross multiply
    9,720,998.60x = 13,415,385.62 × 5,591,030.92
  4. Step 4: Simplify right side
    9,720,998.60x = 75,005,835,805,143.36
  5. Step 5: Solve for x
    x = 75,005,835,805,143.36/9,720,998.60
  6. Step 6: Final answer
    x = 7,715,857.07

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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.