Home / 7,780,165.23-11,671,982.87-2,389,359.68

Finding the Fourth Proportional to 7,780,165.23, 11,671,982.87 and 2,389,359.68

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Solution

The fourth proportional to 7,780,165.23, 11,671,982.87 and 2,389,359.68 is: 3,584,572.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780,165.23 : 11,671,982.87 = 2,389,359.68 : x
  2. Step 2: Convert to fraction form
    7,780,165.23/11,671,982.87 = 2,389,359.68/x
  3. Step 3: Cross multiply
    7,780,165.23x = 11,671,982.87 × 2,389,359.68
  4. Step 4: Simplify right side
    7,780,165.23x = 27,888,565,184,921.97
  5. Step 5: Solve for x
    x = 27,888,565,184,921.97/7,780,165.23
  6. Step 6: Final answer
    x = 3,584,572.35

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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.