Home / 13,053,447.96-18,012,700.80-7,547,176.44

Finding the Fourth Proportional to 13,053,447.96, 18,012,700.80 and 7,547,176.44

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Solution

The fourth proportional to 13,053,447.96, 18,012,700.80 and 7,547,176.44 is: 10,414,492.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,053,447.96 : 18,012,700.80 = 7,547,176.44 : x
  2. Step 2: Convert to fraction form
    13,053,447.96/18,012,700.80 = 7,547,176.44/x
  3. Step 3: Cross multiply
    13,053,447.96x = 18,012,700.80 × 7,547,176.44
  4. Step 4: Simplify right side
    13,053,447.96x = 135,945,031,098,529.17
  5. Step 5: Solve for x
    x = 135,945,031,098,529.17/13,053,447.96
  6. Step 6: Final answer
    x = 10,414,492.13

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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.