Home / 12,547,536.30-18,821,304.45-7,496,246.70

Finding the Fourth Proportional to 12,547,536.30, 18,821,304.45 and 7,496,246.70

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Solution

The fourth proportional to 12,547,536.30, 18,821,304.45 and 7,496,246.70 is: 11,244,370.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547,536.30 : 18,821,304.45 = 7,496,246.70 : x
  2. Step 2: Convert to fraction form
    12,547,536.30/18,821,304.45 = 7,496,246.70/x
  3. Step 3: Cross multiply
    12,547,536.30x = 18,821,304.45 × 7,496,246.70
  4. Step 4: Simplify right side
    12,547,536.30x = 141,089,141,373,007.81
  5. Step 5: Solve for x
    x = 141,089,141,373,007.81/12,547,536.30
  6. Step 6: Final answer
    x = 11,244,370.05

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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.