Home / 19,106,302.80-28,663,234.04-5,459,572.56

Finding the Fourth Proportional to 19,106,302.80, 28,663,234.04 and 5,459,572.56

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Solution

The fourth proportional to 19,106,302.80, 28,663,234.04 and 5,459,572.56 is: 8,190,438.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,106,302.80 : 28,663,234.04 = 5,459,572.56 : x
  2. Step 2: Convert to fraction form
    19,106,302.80/28,663,234.04 = 5,459,572.56/x
  3. Step 3: Cross multiply
    19,106,302.80x = 28,663,234.04 × 5,459,572.56
  4. Step 4: Simplify right side
    19,106,302.80x = 156,489,006,045,641.94
  5. Step 5: Solve for x
    x = 156,489,006,045,641.94/19,106,302.80
  6. Step 6: Final answer
    x = 8,190,438.92

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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.