Home / 12,676,621.65-17,494,133.90-7,169,888.76

Finding the Fourth Proportional to 12,676,621.65, 17,494,133.90 and 7,169,888.76

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Solution

The fourth proportional to 12,676,621.65, 17,494,133.90 and 7,169,888.76 is: 9,894,670.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,676,621.65 : 17,494,133.90 = 7,169,888.76 : x
  2. Step 2: Convert to fraction form
    12,676,621.65/17,494,133.90 = 7,169,888.76/x
  3. Step 3: Cross multiply
    12,676,621.65x = 17,494,133.90 × 7,169,888.76
  4. Step 4: Simplify right side
    12,676,621.65x = 125,430,993,979,695.52
  5. Step 5: Solve for x
    x = 125,430,993,979,695.52/12,676,621.65
  6. Step 6: Final answer
    x = 9,894,670.48

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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.