Home / 53,268,482.78-79,906,267.12-18,720,706.22

Finding the Fourth Proportional to 53,268,482.78, 79,906,267.12 and 18,720,706.22

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Solution

The fourth proportional to 53,268,482.78, 79,906,267.12 and 18,720,706.22 is: 28,082,304.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,268,482.78 : 79,906,267.12 = 18,720,706.22 : x
  2. Step 2: Convert to fraction form
    53,268,482.78/79,906,267.12 = 18,720,706.22/x
  3. Step 3: Cross multiply
    53,268,482.78x = 79,906,267.12 × 18,720,706.22
  4. Step 4: Simplify right side
    53,268,482.78x = 1,495,901,751,890,365.50
  5. Step 5: Solve for x
    x = 1,495,901,751,890,365.50/53,268,482.78
  6. Step 6: Final answer
    x = 28,082,304.47

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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.