Home / 12,480,502.60-18,722,568.30-5,292,022.60

Finding the Fourth Proportional to 12,480,502.60, 18,722,568.30 and 5,292,022.60

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Solution

The fourth proportional to 12,480,502.60, 18,722,568.30 and 5,292,022.60 is: 7,938,803.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,480,502.60 : 18,722,568.30 = 5,292,022.60 : x
  2. Step 2: Convert to fraction form
    12,480,502.60/18,722,568.30 = 5,292,022.60/x
  3. Step 3: Cross multiply
    12,480,502.60x = 18,722,568.30 × 5,292,022.60
  4. Step 4: Simplify right side
    12,480,502.60x = 99,080,254,573,643.58
  5. Step 5: Solve for x
    x = 99,080,254,573,643.58/12,480,502.60
  6. Step 6: Final answer
    x = 7,938,803.25

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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.