Home / 13,053,398.10-18,012,633.29-7,547,126.23

Finding the Fourth Proportional to 13,053,398.10, 18,012,633.29 and 7,547,126.23

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Solution

The fourth proportional to 13,053,398.10, 18,012,633.29 and 7,547,126.23 is: 10,414,423.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,053,398.10 : 18,012,633.29 = 7,547,126.23 : x
  2. Step 2: Convert to fraction form
    13,053,398.10/18,012,633.29 = 7,547,126.23/x
  3. Step 3: Cross multiply
    13,053,398.10x = 18,012,633.29 × 7,547,126.23
  4. Step 4: Simplify right side
    13,053,398.10x = 135,943,617,187,412.09
  5. Step 5: Solve for x
    x = 135,943,617,187,412.09/13,053,398.10
  6. Step 6: Final answer
    x = 10,414,423.60

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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.