Home / 7,910,145.60-10,916,025.12-4,288,476.48

Finding the Fourth Proportional to 7,910,145.60, 10,916,025.12 and 4,288,476.48

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Solution

The fourth proportional to 7,910,145.60, 10,916,025.12 and 4,288,476.48 is: 5,918,110.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910,145.60 : 10,916,025.12 = 4,288,476.48 : x
  2. Step 2: Convert to fraction form
    7,910,145.60/10,916,025.12 = 4,288,476.48/x
  3. Step 3: Cross multiply
    7,910,145.60x = 10,916,025.12 × 4,288,476.48
  4. Step 4: Simplify right side
    7,910,145.60x = 46,813,116,982,209.18
  5. Step 5: Solve for x
    x = 46,813,116,982,209.18/7,910,145.60
  6. Step 6: Final answer
    x = 5,918,110.66

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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.