Home / 7,855,175.09-10,839,971.68-4,547,609.53

Finding the Fourth Proportional to 7,855,175.09, 10,839,971.68 and 4,547,609.53

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Solution

The fourth proportional to 7,855,175.09, 10,839,971.68 and 4,547,609.53 is: 6,275,602.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,855,175.09 : 10,839,971.68 = 4,547,609.53 : x
  2. Step 2: Convert to fraction form
    7,855,175.09/10,839,971.68 = 4,547,609.53/x
  3. Step 3: Cross multiply
    7,855,175.09x = 10,839,971.68 × 4,547,609.53
  4. Step 4: Simplify right side
    7,855,175.09x = 49,295,958,564,984.30
  5. Step 5: Solve for x
    x = 49,295,958,564,984.30/7,855,175.09
  6. Step 6: Final answer
    x = 6,275,602.77

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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.