Home / 10,131,010.20-13,980,654.47-5,547,331.58

Finding the Fourth Proportional to 10,131,010.20, 13,980,654.47 and 5,547,331.58

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Solution

The fourth proportional to 10,131,010.20, 13,980,654.47 and 5,547,331.58 is: 7,655,241.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131,010.20 : 13,980,654.47 = 5,547,331.58 : x
  2. Step 2: Convert to fraction form
    10,131,010.20/13,980,654.47 = 5,547,331.58/x
  3. Step 3: Cross multiply
    10,131,010.20x = 13,980,654.47 × 5,547,331.58
  4. Step 4: Simplify right side
    10,131,010.20x = 77,555,325,994,464.22
  5. Step 5: Solve for x
    x = 77,555,325,994,464.22/10,131,010.20
  6. Step 6: Final answer
    x = 7,655,241.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.