Home / 12,547,616.80-18,821,036.40-3,572,168.80

Finding the Fourth Proportional to 12,547,616.80, 18,821,036.40 and 3,572,168.80

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Solution

The fourth proportional to 12,547,616.80, 18,821,036.40 and 3,572,168.80 is: 5,358,142.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547,616.80 : 18,821,036.40 = 3,572,168.80 : x
  2. Step 2: Convert to fraction form
    12,547,616.80/18,821,036.40 = 3,572,168.80/x
  3. Step 3: Cross multiply
    12,547,616.80x = 18,821,036.40 × 3,572,168.80
  4. Step 4: Simplify right side
    12,547,616.80x = 67,231,919,011,744.31
  5. Step 5: Solve for x
    x = 67,231,919,011,744.31/12,547,616.80
  6. Step 6: Final answer
    x = 5,358,142.51

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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.