Home / 13,772,184.78-20,660,798.97-5,680,746.30

Finding the Fourth Proportional to 13,772,184.78, 20,660,798.97 and 5,680,746.30

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Solution

The fourth proportional to 13,772,184.78, 20,660,798.97 and 5,680,746.30 is: 8,522,159.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772,184.78 : 20,660,798.97 = 5,680,746.30 : x
  2. Step 2: Convert to fraction form
    13,772,184.78/20,660,798.97 = 5,680,746.30/x
  3. Step 3: Cross multiply
    13,772,184.78x = 20,660,798.97 × 5,680,746.30
  4. Step 4: Simplify right side
    13,772,184.78x = 117,368,757,303,871.30
  5. Step 5: Solve for x
    x = 117,368,757,303,871.30/13,772,184.78
  6. Step 6: Final answer
    x = 8,522,159.64

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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.