Home / 9,126,746.80-12,603,445.14-5,869,218.40

Finding the Fourth Proportional to 9,126,746.80, 12,603,445.14 and 5,869,218.40

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Solution

The fourth proportional to 9,126,746.80, 12,603,445.14 and 5,869,218.40 is: 8,105,009.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126,746.80 : 12,603,445.14 = 5,869,218.40 : x
  2. Step 2: Convert to fraction form
    9,126,746.80/12,603,445.14 = 5,869,218.40/x
  3. Step 3: Cross multiply
    9,126,746.80x = 12,603,445.14 × 5,869,218.40
  4. Step 4: Simplify right side
    9,126,746.80x = 73,972,372,119,078.58
  5. Step 5: Solve for x
    x = 73,972,372,119,078.58/9,126,746.80
  6. Step 6: Final answer
    x = 8,105,009.78

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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.