Home / 12,035,969.40-16,605,278.70-7,908,223.68

Finding the Fourth Proportional to 12,035,969.40, 16,605,278.70 and 7,908,223.68

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Solution

The fourth proportional to 12,035,969.40, 16,605,278.70 and 7,908,223.68 is: 10,910,484.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,035,969.40 : 16,605,278.70 = 7,908,223.68 : x
  2. Step 2: Convert to fraction form
    12,035,969.40/16,605,278.70 = 7,908,223.68/x
  3. Step 3: Cross multiply
    12,035,969.40x = 16,605,278.70 × 7,908,223.68
  4. Step 4: Simplify right side
    12,035,969.40x = 131,318,258,228,339.61
  5. Step 5: Solve for x
    x = 131,318,258,228,339.61/12,035,969.40
  6. Step 6: Final answer
    x = 10,910,484.55

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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.