Home / 21,679,097.78-29,917,704.22-11,889,931.70

Finding the Fourth Proportional to 21,679,097.78, 29,917,704.22 and 11,889,931.70

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Solution

The fourth proportional to 21,679,097.78, 29,917,704.22 and 11,889,931.70 is: 16,408,407.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,679,097.78 : 29,917,704.22 = 11,889,931.70 : x
  2. Step 2: Convert to fraction form
    21,679,097.78/29,917,704.22 = 11,889,931.70/x
  3. Step 3: Cross multiply
    21,679,097.78x = 29,917,704.22 × 11,889,931.70
  4. Step 4: Simplify right side
    21,679,097.78x = 355,719,459,796,601.75
  5. Step 5: Solve for x
    x = 355,719,459,796,601.75/21,679,097.78
  6. Step 6: Final answer
    x = 16,408,407.00

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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.