Home / 13,067,687.14-18,030,752.49-7,634,129.38

Finding the Fourth Proportional to 13,067,687.14, 18,030,752.49 and 7,634,129.38

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Solution

The fourth proportional to 13,067,687.14, 18,030,752.49 and 7,634,129.38 is: 10,533,547.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,067,687.14 : 18,030,752.49 = 7,634,129.38 : x
  2. Step 2: Convert to fraction form
    13,067,687.14/18,030,752.49 = 7,634,129.38/x
  3. Step 3: Cross multiply
    13,067,687.14x = 18,030,752.49 × 7,634,129.38
  4. Step 4: Simplify right side
    13,067,687.14x = 137,649,097,327,417.14
  5. Step 5: Solve for x
    x = 137,649,097,327,417.14/13,067,687.14
  6. Step 6: Final answer
    x = 10,533,547.05

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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.