Home / 12,688,502.88-19,036,853.28-5,869,548.48

Finding the Fourth Proportional to 12,688,502.88, 19,036,853.28 and 5,869,548.48

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Solution

The fourth proportional to 12,688,502.88, 19,036,853.28 and 5,869,548.48 is: 8,806,218.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,688,502.88 : 19,036,853.28 = 5,869,548.48 : x
  2. Step 2: Convert to fraction form
    12,688,502.88/19,036,853.28 = 5,869,548.48/x
  3. Step 3: Cross multiply
    12,688,502.88x = 19,036,853.28 × 5,869,548.48
  4. Step 4: Simplify right side
    12,688,502.88x = 111,737,733,233,607.03
  5. Step 5: Solve for x
    x = 111,737,733,233,607.03/12,688,502.88
  6. Step 6: Final answer
    x = 8,806,218.85

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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.