Home / 44,292,444.80-66,447,998.40-18,720,291.20

Finding the Fourth Proportional to 44,292,444.80, 66,447,998.40 and 18,720,291.20

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Solution

The fourth proportional to 44,292,444.80, 66,447,998.40 and 18,720,291.20 is: 28,084,380.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,292,444.80 : 66,447,998.40 = 18,720,291.20 : x
  2. Step 2: Convert to fraction form
    44,292,444.80/66,447,998.40 = 18,720,291.20/x
  3. Step 3: Cross multiply
    44,292,444.80x = 66,447,998.40 × 18,720,291.20
  4. Step 4: Simplify right side
    44,292,444.80x = 1,243,925,879,705,134
  5. Step 5: Solve for x
    x = 1,243,925,879,705,134/44,292,444.80
  6. Step 6: Final answer
    x = 28,084,380.65

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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.