Home / 28,223,999.10-42,335,998.65-10,270,770.30

Finding the Fourth Proportional to 28,223,999.10, 42,335,998.65 and 10,270,770.30

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Solution

The fourth proportional to 28,223,999.10, 42,335,998.65 and 10,270,770.30 is: 15,406,155.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,223,999.10 : 42,335,998.65 = 10,270,770.30 : x
  2. Step 2: Convert to fraction form
    28,223,999.10/42,335,998.65 = 10,270,770.30/x
  3. Step 3: Cross multiply
    28,223,999.10x = 42,335,998.65 × 10,270,770.30
  4. Step 4: Simplify right side
    28,223,999.10x = 434,823,317,555,260.12
  5. Step 5: Solve for x
    x = 434,823,317,555,260.12/28,223,999.10
  6. Step 6: Final answer
    x = 15,406,155.45

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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.