Home / 18,214,199.34-25,138,705.02-10,872,411.18

Finding the Fourth Proportional to 18,214,199.34, 25,138,705.02 and 10,872,411.18

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Solution

The fourth proportional to 18,214,199.34, 25,138,705.02 and 10,872,411.18 is: 15,005,783.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,214,199.34 : 25,138,705.02 = 10,872,411.18 : x
  2. Step 2: Convert to fraction form
    18,214,199.34/25,138,705.02 = 10,872,411.18/x
  3. Step 3: Cross multiply
    18,214,199.34x = 25,138,705.02 × 10,872,411.18
  4. Step 4: Simplify right side
    18,214,199.34x = 273,318,337,510,170.12
  5. Step 5: Solve for x
    x = 273,318,337,510,170.12/18,214,199.34
  6. Step 6: Final answer
    x = 15,005,783.81

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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.