Home / 19,686,073.40-29,529,110.10-12,474,222.20

Finding the Fourth Proportional to 19,686,073.40, 29,529,110.10 and 12,474,222.20

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Solution

The fourth proportional to 19,686,073.40, 29,529,110.10 and 12,474,222.20 is: 18,711,333.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686,073.40 : 29,529,110.10 = 12,474,222.20 : x
  2. Step 2: Convert to fraction form
    19,686,073.40/29,529,110.10 = 12,474,222.20/x
  3. Step 3: Cross multiply
    19,686,073.40x = 29,529,110.10 × 12,474,222.20
  4. Step 4: Simplify right side
    19,686,073.40x = 368,352,680,755,664.19
  5. Step 5: Solve for x
    x = 368,352,680,755,664.19/19,686,073.40
  6. Step 6: Final answer
    x = 18,711,333.30

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1.5x scale

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.