Home / 21,480,140.03-29,567,727.02-18,722,034.95

Finding the Fourth Proportional to 21,480,140.03, 29,567,727.02 and 18,722,034.95

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Solution

The fourth proportional to 21,480,140.03, 29,567,727.02 and 18,722,034.95 is: 25,771,155.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,480,140.03 : 29,567,727.02 = 18,722,034.95 : x
  2. Step 2: Convert to fraction form
    21,480,140.03/29,567,727.02 = 18,722,034.95/x
  3. Step 3: Cross multiply
    21,480,140.03x = 29,567,727.02 × 18,722,034.95
  4. Step 4: Simplify right side
    21,480,140.03x = 553,568,018,566,889.19
  5. Step 5: Solve for x
    x = 553,568,018,566,889.19/21,480,140.03
  6. Step 6: Final answer
    x = 25,771,155.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.