Home / 12,547,616.55-18,821,036.03-3,572,168.55

Finding the Fourth Proportional to 12,547,616.55, 18,821,036.03 and 3,572,168.55

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Solution

The fourth proportional to 12,547,616.55, 18,821,036.03 and 3,572,168.55 is: 5,358,142.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547,616.55 : 18,821,036.03 = 3,572,168.55 : x
  2. Step 2: Convert to fraction form
    12,547,616.55/18,821,036.03 = 3,572,168.55/x
  3. Step 3: Cross multiply
    12,547,616.55x = 18,821,036.03 × 3,572,168.55
  4. Step 4: Simplify right side
    12,547,616.55x = 67,231,912,966,922.01
  5. Step 5: Solve for x
    x = 67,231,912,966,922.01/12,547,616.55
  6. Step 6: Final answer
    x = 5,358,142.14

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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.