Home / 8,569,132.86-12,853,643.80-2,179,330.01

Finding the Fourth Proportional to 8,569,132.86, 12,853,643.80 and 2,179,330.01

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Solution

The fourth proportional to 8,569,132.86, 12,853,643.80 and 2,179,330.01 is: 3,268,980.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,569,132.86 : 12,853,643.80 = 2,179,330.01 : x
  2. Step 2: Convert to fraction form
    8,569,132.86/12,853,643.80 = 2,179,330.01/x
  3. Step 3: Cross multiply
    8,569,132.86x = 12,853,643.80 × 2,179,330.01
  4. Step 4: Simplify right side
    8,569,132.86x = 28,012,331,671,190.44
  5. Step 5: Solve for x
    x = 28,012,331,671,190.44/8,569,132.86
  6. Step 6: Final answer
    x = 3,268,980.90

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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.