Home / 44,292,445.80-66,447,999.90-18,720,292.20

Finding the Fourth Proportional to 44,292,445.80, 66,447,999.90 and 18,720,292.20

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Solution

The fourth proportional to 44,292,445.80, 66,447,999.90 and 18,720,292.20 is: 28,084,382.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,292,445.80 : 66,447,999.90 = 18,720,292.20 : x
  2. Step 2: Convert to fraction form
    44,292,445.80/66,447,999.90 = 18,720,292.20/x
  3. Step 3: Cross multiply
    44,292,445.80x = 66,447,999.90 × 18,720,292.20
  4. Step 4: Simplify right side
    44,292,445.80x = 1,243,925,974,233,570.75
  5. Step 5: Solve for x
    x = 1,243,925,974,233,570.75/44,292,445.80
  6. Step 6: Final answer
    x = 28,084,382.15

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1.5x scale

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.