Home / 14,985,348.63-20,679,780.85-8,109,830.69

Finding the Fourth Proportional to 14,985,348.63, 20,679,780.85 and 8,109,830.69

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Solution

The fourth proportional to 14,985,348.63, 20,679,780.85 and 8,109,830.69 is: 11,191,566.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985,348.63 : 20,679,780.85 = 8,109,830.69 : x
  2. Step 2: Convert to fraction form
    14,985,348.63/20,679,780.85 = 8,109,830.69/x
  3. Step 3: Cross multiply
    14,985,348.63x = 20,679,780.85 × 8,109,830.69
  4. Step 4: Simplify right side
    14,985,348.63x = 167,709,521,399,297.75
  5. Step 5: Solve for x
    x = 167,709,521,399,297.75/14,985,348.63
  6. Step 6: Final answer
    x = 11,191,566.21

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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.