Home / 12,663,077.19-19,020,034.64-7,555,474.46

Finding the Fourth Proportional to 12,663,077.19, 19,020,034.64 and 7,555,474.46

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Solution

The fourth proportional to 12,663,077.19, 19,020,034.64 and 7,555,474.46 is: 11,348,377.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,663,077.19 : 19,020,034.64 = 7,555,474.46 : x
  2. Step 2: Convert to fraction form
    12,663,077.19/19,020,034.64 = 7,555,474.46/x
  3. Step 3: Cross multiply
    12,663,077.19x = 19,020,034.64 × 7,555,474.46
  4. Step 4: Simplify right side
    12,663,077.19x = 143,705,386,017,274.06
  5. Step 5: Solve for x
    x = 143,705,386,017,274.06/12,663,077.19
  6. Step 6: Final answer
    x = 11,348,377.96

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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.