Home / 12,445,179.84-17,173,732.32-7,013,021.76

Finding the Fourth Proportional to 12,445,179.84, 17,173,732.32 and 7,013,021.76

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Solution

The fourth proportional to 12,445,179.84, 17,173,732.32 and 7,013,021.76 is: 9,677,622.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,445,179.84 : 17,173,732.32 = 7,013,021.76 : x
  2. Step 2: Convert to fraction form
    12,445,179.84/17,173,732.32 = 7,013,021.76/x
  3. Step 3: Cross multiply
    12,445,179.84x = 17,173,732.32 × 7,013,021.76
  4. Step 4: Simplify right side
    12,445,179.84x = 120,439,758,460,575.28
  5. Step 5: Solve for x
    x = 120,439,758,460,575.28/12,445,179.84
  6. Step 6: Final answer
    x = 9,677,622.98

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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.