Home / 12,290,876.02-16,961,315.40-6,784,250.20

Finding the Fourth Proportional to 12,290,876.02, 16,961,315.40 and 6,784,250.20

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Solution

The fourth proportional to 12,290,876.02, 16,961,315.40 and 6,784,250.20 is: 9,362,213.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,290,876.02 : 16,961,315.40 = 6,784,250.20 : x
  2. Step 2: Convert to fraction form
    12,290,876.02/16,961,315.40 = 6,784,250.20/x
  3. Step 3: Cross multiply
    12,290,876.02x = 16,961,315.40 × 6,784,250.20
  4. Step 4: Simplify right side
    12,290,876.02x = 115,069,807,394,713.08
  5. Step 5: Solve for x
    x = 115,069,807,394,713.08/12,290,876.02
  6. Step 6: Final answer
    x = 9,362,213.66

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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.