Home / 6,650,115-9,177,678.64-3,710,856.28

Finding the Fourth Proportional to 6,650,115, 9,177,678.64 and 3,710,856.28

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Solution

The fourth proportional to 6,650,115, 9,177,678.64 and 3,710,856.28 is: 5,121,271.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650,115 : 9,177,678.64 = 3,710,856.28 : x
  2. Step 2: Convert to fraction form
    6,650,115/9,177,678.64 = 3,710,856.28/x
  3. Step 3: Cross multiply
    6,650,115x = 9,177,678.64 × 3,710,856.28
  4. Step 4: Simplify right side
    6,650,115x = 34,057,046,417,065.86
  5. Step 5: Solve for x
    x = 34,057,046,417,065.86/6,650,115
  6. Step 6: Final answer
    x = 5,121,271.80

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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.