Home / 11,518,547.40-15,895,500.90-6,291,558.88

Finding the Fourth Proportional to 11,518,547.40, 15,895,500.90 and 6,291,558.88

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Solution

The fourth proportional to 11,518,547.40, 15,895,500.90 and 6,291,558.88 is: 8,682,299.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,518,547.40 : 15,895,500.90 = 6,291,558.88 : x
  2. Step 2: Convert to fraction form
    11,518,547.40/15,895,500.90 = 6,291,558.88/x
  3. Step 3: Cross multiply
    11,518,547.40x = 15,895,500.90 × 6,291,558.88
  4. Step 4: Simplify right side
    11,518,547.40x = 100,007,479,839,443
  5. Step 5: Solve for x
    x = 100,007,479,839,443/11,518,547.40
  6. Step 6: Final answer
    x = 8,682,299.63

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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.