Home / 14,970,019.27-20,658,895.70-8,779,530.85

Finding the Fourth Proportional to 14,970,019.27, 20,658,895.70 and 8,779,530.85

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Solution

The fourth proportional to 14,970,019.27, 20,658,895.70 and 8,779,530.85 is: 12,115,910.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,970,019.27 : 20,658,895.70 = 8,779,530.85 : x
  2. Step 2: Convert to fraction form
    14,970,019.27/20,658,895.70 = 8,779,530.85/x
  3. Step 3: Cross multiply
    14,970,019.27x = 20,658,895.70 × 8,779,530.85
  4. Step 4: Simplify right side
    14,970,019.27x = 181,375,412,081,184.69
  5. Step 5: Solve for x
    x = 181,375,412,081,184.69/14,970,019.27
  6. Step 6: Final answer
    x = 12,115,910.39

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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.