Home / 14,985,347.60-20,679,779.43-8,109,829.66

Finding the Fourth Proportional to 14,985,347.60, 20,679,779.43 and 8,109,829.66

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Solution

The fourth proportional to 14,985,347.60, 20,679,779.43 and 8,109,829.66 is: 11,191,564.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985,347.60 : 20,679,779.43 = 8,109,829.66 : x
  2. Step 2: Convert to fraction form
    14,985,347.60/20,679,779.43 = 8,109,829.66/x
  3. Step 3: Cross multiply
    14,985,347.60x = 20,679,779.43 × 8,109,829.66
  4. Step 4: Simplify right side
    14,985,347.60x = 167,709,488,583,671.91
  5. Step 5: Solve for x
    x = 167,709,488,583,671.91/14,985,347.60
  6. Step 6: Final answer
    x = 11,191,564.79

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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.