Home / 8,853,360.80-13,280,041.20-8,480,112.80

Finding the Fourth Proportional to 8,853,360.80, 13,280,041.20 and 8,480,112.80

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Solution

The fourth proportional to 8,853,360.80, 13,280,041.20 and 8,480,112.80 is: 12,720,169.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853,360.80 : 13,280,041.20 = 8,480,112.80 : x
  2. Step 2: Convert to fraction form
    8,853,360.80/13,280,041.20 = 8,480,112.80/x
  3. Step 3: Cross multiply
    8,853,360.80x = 13,280,041.20 × 8,480,112.80
  4. Step 4: Simplify right side
    8,853,360.80x = 112,616,247,364,647.36
  5. Step 5: Solve for x
    x = 112,616,247,364,647.36/8,853,360.80
  6. Step 6: Final answer
    x = 12,720,169.20

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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.