Home / 12,949,151.60-19,423,727.40-5,381,548.40

Finding the Fourth Proportional to 12,949,151.60, 19,423,727.40 and 5,381,548.40

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Solution

The fourth proportional to 12,949,151.60, 19,423,727.40 and 5,381,548.40 is: 8,072,322.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949,151.60 : 19,423,727.40 = 5,381,548.40 : x
  2. Step 2: Convert to fraction form
    12,949,151.60/19,423,727.40 = 5,381,548.40/x
  3. Step 3: Cross multiply
    12,949,151.60x = 19,423,727.40 × 5,381,548.40
  4. Step 4: Simplify right side
    12,949,151.60x = 104,529,729,111,506.16
  5. Step 5: Solve for x
    x = 104,529,729,111,506.16/12,949,151.60
  6. Step 6: Final answer
    x = 8,072,322.60

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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.