Home / 21,506,150.80-32,259,226.20-18,986,726.80

Finding the Fourth Proportional to 21,506,150.80, 32,259,226.20 and 18,986,726.80

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Solution

The fourth proportional to 21,506,150.80, 32,259,226.20 and 18,986,726.80 is: 28,480,090.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,506,150.80 : 32,259,226.20 = 18,986,726.80 : x
  2. Step 2: Convert to fraction form
    21,506,150.80/32,259,226.20 = 18,986,726.80/x
  3. Step 3: Cross multiply
    21,506,150.80x = 32,259,226.20 × 18,986,726.80
  4. Step 4: Simplify right side
    21,506,150.80x = 612,497,114,638,802.12
  5. Step 5: Solve for x
    x = 612,497,114,638,802.12/21,506,150.80
  6. Step 6: Final answer
    x = 28,480,090.20

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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.