Home / 14,311,583.40-19,749,970.15-7,785,197.30

Finding the Fourth Proportional to 14,311,583.40, 19,749,970.15 and 7,785,197.30

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Solution

The fourth proportional to 14,311,583.40, 19,749,970.15 and 7,785,197.30 is: 10,743,564.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,311,583.40 : 19,749,970.15 = 7,785,197.30 : x
  2. Step 2: Convert to fraction form
    14,311,583.40/19,749,970.15 = 7,785,197.30/x
  3. Step 3: Cross multiply
    14,311,583.40x = 19,749,970.15 × 7,785,197.30
  4. Step 4: Simplify right side
    14,311,583.40x = 153,757,414,286,860.59
  5. Step 5: Solve for x
    x = 153,757,414,286,860.59/14,311,583.40
  6. Step 6: Final answer
    x = 10,743,564.15

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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.