Home / 12,612,598.90-17,405,385.82-6,811,380.08

Finding the Fourth Proportional to 12,612,598.90, 17,405,385.82 and 6,811,380.08

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Solution

The fourth proportional to 12,612,598.90, 17,405,385.82 and 6,811,380.08 is: 9,399,704.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,612,598.90 : 17,405,385.82 = 6,811,380.08 : x
  2. Step 2: Convert to fraction form
    12,612,598.90/17,405,385.82 = 6,811,380.08/x
  3. Step 3: Cross multiply
    12,612,598.90x = 17,405,385.82 × 6,811,380.08
  4. Step 4: Simplify right side
    12,612,598.90x = 118,554,698,285,547.47
  5. Step 5: Solve for x
    x = 118,554,698,285,547.47/12,612,598.90
  6. Step 6: Final answer
    x = 9,399,704.15

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1.5x scale

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.