Home / 14,985,347.72-20,679,779.61-8,109,829.79

Finding the Fourth Proportional to 14,985,347.72, 20,679,779.61 and 8,109,829.79

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Solution

The fourth proportional to 14,985,347.72, 20,679,779.61 and 8,109,829.79 is: 11,191,564.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985,347.72 : 20,679,779.61 = 8,109,829.79 : x
  2. Step 2: Convert to fraction form
    14,985,347.72/20,679,779.61 = 8,109,829.79/x
  3. Step 3: Cross multiply
    14,985,347.72x = 20,679,779.61 × 8,109,829.79
  4. Step 4: Simplify right side
    14,985,347.72x = 167,709,492,587,864.53
  5. Step 5: Solve for x
    x = 167,709,492,587,864.53/14,985,347.72
  6. Step 6: Final answer
    x = 11,191,564.97

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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.