Home / 39,423,249.34-59,145,546.58-12,128,964.46

Finding the Fourth Proportional to 39,423,249.34, 59,145,546.58 and 12,128,964.46

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Solution

The fourth proportional to 39,423,249.34, 59,145,546.58 and 12,128,964.46 is: 18,196,730.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,423,249.34 : 59,145,546.58 = 12,128,964.46 : x
  2. Step 2: Convert to fraction form
    39,423,249.34/59,145,546.58 = 12,128,964.46/x
  3. Step 3: Cross multiply
    39,423,249.34x = 59,145,546.58 × 12,128,964.46
  4. Step 4: Simplify right side
    39,423,249.34x = 717,374,232,436,094.62
  5. Step 5: Solve for x
    x = 717,374,232,436,094.62/39,423,249.34
  6. Step 6: Final answer
    x = 18,196,730.21

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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.