Home / 8,143,569.08-12,215,346.65-2,078,300.32

Finding the Fourth Proportional to 8,143,569.08, 12,215,346.65 and 2,078,300.32

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Solution

The fourth proportional to 8,143,569.08, 12,215,346.65 and 2,078,300.32 is: 3,117,448.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143,569.08 : 12,215,346.65 = 2,078,300.32 : x
  2. Step 2: Convert to fraction form
    8,143,569.08/12,215,346.65 = 2,078,300.32/x
  3. Step 3: Cross multiply
    8,143,569.08x = 12,215,346.65 × 2,078,300.32
  4. Step 4: Simplify right side
    8,143,569.08x = 25,387,158,790,529.20
  5. Step 5: Solve for x
    x = 25,387,158,790,529.20/8,143,569.08
  6. Step 6: Final answer
    x = 3,117,448.70

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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.