Home / 14,274,043.38-19,698,199.80-7,747,674.21

Finding the Fourth Proportional to 14,274,043.38, 19,698,199.80 and 7,747,674.21

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Solution

The fourth proportional to 14,274,043.38, 19,698,199.80 and 7,747,674.21 is: 10,691,801.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,274,043.38 : 19,698,199.80 = 7,747,674.21 : x
  2. Step 2: Convert to fraction form
    14,274,043.38/19,698,199.80 = 7,747,674.21/x
  3. Step 3: Cross multiply
    14,274,043.38x = 19,698,199.80 × 7,747,674.21
  4. Step 4: Simplify right side
    14,274,043.38x = 152,615,234,573,887.16
  5. Step 5: Solve for x
    x = 152,615,234,573,887.16/14,274,043.38
  6. Step 6: Final answer
    x = 10,691,801.23

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1.5x scale

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.