Home / 28,889,189.86-43,306,658.70-9,706,531.72

Finding the Fourth Proportional to 28,889,189.86, 43,306,658.70 and 9,706,531.72

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Solution

The fourth proportional to 28,889,189.86, 43,306,658.70 and 9,706,531.72 is: 14,550,683.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,889,189.86 : 43,306,658.70 = 9,706,531.72 : x
  2. Step 2: Convert to fraction form
    28,889,189.86/43,306,658.70 = 9,706,531.72/x
  3. Step 3: Cross multiply
    28,889,189.86x = 43,306,658.70 × 9,706,531.72
  4. Step 4: Simplify right side
    28,889,189.86x = 420,357,456,142,230.69
  5. Step 5: Solve for x
    x = 420,357,456,142,230.69/28,889,189.86
  6. Step 6: Final answer
    x = 14,550,683.43

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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.