Home / 10,686,894.54-15,992,501.24-6,645,285.74

Finding the Fourth Proportional to 10,686,894.54, 15,992,501.24 and 6,645,285.74

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Solution

The fourth proportional to 10,686,894.54, 15,992,501.24 and 6,645,285.74 is: 9,944,398.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686,894.54 : 15,992,501.24 = 6,645,285.74 : x
  2. Step 2: Convert to fraction form
    10,686,894.54/15,992,501.24 = 6,645,285.74/x
  3. Step 3: Cross multiply
    10,686,894.54x = 15,992,501.24 × 6,645,285.74
  4. Step 4: Simplify right side
    10,686,894.54x = 106,274,740,437,104.33
  5. Step 5: Solve for x
    x = 106,274,740,437,104.33/10,686,894.54
  6. Step 6: Final answer
    x = 9,944,398.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.