Home / 12,035,973.78-16,605,284.94-7,908,228.18

Finding the Fourth Proportional to 12,035,973.78, 16,605,284.94 and 7,908,228.18

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Solution

The fourth proportional to 12,035,973.78, 16,605,284.94 and 7,908,228.18 is: 10,910,490.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,035,973.78 : 16,605,284.94 = 7,908,228.18 : x
  2. Step 2: Convert to fraction form
    12,035,973.78/16,605,284.94 = 7,908,228.18/x
  3. Step 3: Cross multiply
    12,035,973.78x = 16,605,284.94 × 7,908,228.18
  4. Step 4: Simplify right side
    12,035,973.78x = 131,318,382,299,437.59
  5. Step 5: Solve for x
    x = 131,318,382,299,437.59/12,035,973.78
  6. Step 6: Final answer
    x = 10,910,490.89

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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.