Home / 12,715,908.24-17,547,420.24-7,209,653.52

Finding the Fourth Proportional to 12,715,908.24, 17,547,420.24 and 7,209,653.52

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Solution

The fourth proportional to 12,715,908.24, 17,547,420.24 and 7,209,653.52 is: 9,949,019.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,715,908.24 : 17,547,420.24 = 7,209,653.52 : x
  2. Step 2: Convert to fraction form
    12,715,908.24/17,547,420.24 = 7,209,653.52/x
  3. Step 3: Cross multiply
    12,715,908.24x = 17,547,420.24 × 7,209,653.52
  4. Step 4: Simplify right side
    12,715,908.24x = 126,510,820,100,235.22
  5. Step 5: Solve for x
    x = 126,510,820,100,235.22/12,715,908.24
  6. Step 6: Final answer
    x = 9,949,019.58

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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.