Home / 12,547,005.72-18,821,408.14-5,253,125.62

Finding the Fourth Proportional to 12,547,005.72, 18,821,408.14 and 5,253,125.62

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Solution

The fourth proportional to 12,547,005.72, 18,821,408.14 and 5,253,125.62 is: 7,880,065.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547,005.72 : 18,821,408.14 = 5,253,125.62 : x
  2. Step 2: Convert to fraction form
    12,547,005.72/18,821,408.14 = 5,253,125.62/x
  3. Step 3: Cross multiply
    12,547,005.72x = 18,821,408.14 × 5,253,125.62
  4. Step 4: Simplify right side
    12,547,005.72x = 98,871,221,304,710.55
  5. Step 5: Solve for x
    x = 98,871,221,304,710.55/12,547,005.72
  6. Step 6: Final answer
    x = 7,880,065.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.