Home / 12,564,220.80-18,847,416.72-3,466,318.40

Finding the Fourth Proportional to 12,564,220.80, 18,847,416.72 and 3,466,318.40

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Solution

The fourth proportional to 12,564,220.80, 18,847,416.72 and 3,466,318.40 is: 5,199,777.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,564,220.80 : 18,847,416.72 = 3,466,318.40 : x
  2. Step 2: Convert to fraction form
    12,564,220.80/18,847,416.72 = 3,466,318.40/x
  3. Step 3: Cross multiply
    12,564,220.80x = 18,847,416.72 × 3,466,318.40
  4. Step 4: Simplify right side
    12,564,220.80x = 65,331,147,369,003.64
  5. Step 5: Solve for x
    x = 65,331,147,369,003.64/12,564,220.80
  6. Step 6: Final answer
    x = 5,199,777.08

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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.