Home / 12,427,916.47-17,150,177.59-6,921,289.82

Finding the Fourth Proportional to 12,427,916.47, 17,150,177.59 and 6,921,289.82

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Solution

The fourth proportional to 12,427,916.47, 17,150,177.59 and 6,921,289.82 is: 9,551,186.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,427,916.47 : 17,150,177.59 = 6,921,289.82 : x
  2. Step 2: Convert to fraction form
    12,427,916.47/17,150,177.59 = 6,921,289.82/x
  3. Step 3: Cross multiply
    12,427,916.47x = 17,150,177.59 × 6,921,289.82
  4. Step 4: Simplify right side
    12,427,916.47x = 118,701,349,590,431.34
  5. Step 5: Solve for x
    x = 118,701,349,590,431.34/12,427,916.47
  6. Step 6: Final answer
    x = 9,551,186.63

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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.