Home / 12,834,431.80-19,238,686.05-8,045,477.71

Finding the Fourth Proportional to 12,834,431.80, 19,238,686.05 and 8,045,477.71

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Solution

The fourth proportional to 12,834,431.80, 19,238,686.05 and 8,045,477.71 is: 12,060,091.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,834,431.80 : 19,238,686.05 = 8,045,477.71 : x
  2. Step 2: Convert to fraction form
    12,834,431.80/19,238,686.05 = 8,045,477.71/x
  3. Step 3: Cross multiply
    12,834,431.80x = 19,238,686.05 × 8,045,477.71
  4. Step 4: Simplify right side
    12,834,431.80x = 154,784,419,784,962.94
  5. Step 5: Solve for x
    x = 154,784,419,784,962.94/12,834,431.80
  6. Step 6: Final answer
    x = 12,060,091.34

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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.