Home / 7,855,457.16-10,839,578.42-4,369,972

Finding the Fourth Proportional to 7,855,457.16, 10,839,578.42 and 4,369,972

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Solution

The fourth proportional to 7,855,457.16, 10,839,578.42 and 4,369,972 is: 6,030,031.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,855,457.16 : 10,839,578.42 = 4,369,972 : x
  2. Step 2: Convert to fraction form
    7,855,457.16/10,839,578.42 = 4,369,972/x
  3. Step 3: Cross multiply
    7,855,457.16x = 10,839,578.42 × 4,369,972
  4. Step 4: Simplify right side
    7,855,457.16x = 47,368,654,187,204.24
  5. Step 5: Solve for x
    x = 47,368,654,187,204.24/7,855,457.16
  6. Step 6: Final answer
    x = 6,030,031.51

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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.