Home / 11,506,769.54-15,885,312.22-8,405,810.90

Finding the Fourth Proportional to 11,506,769.54, 15,885,312.22 and 8,405,810.90

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Solution

The fourth proportional to 11,506,769.54, 15,885,312.22 and 8,405,810.90 is: 11,604,380.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,506,769.54 : 15,885,312.22 = 8,405,810.90 : x
  2. Step 2: Convert to fraction form
    11,506,769.54/15,885,312.22 = 8,405,810.90/x
  3. Step 3: Cross multiply
    11,506,769.54x = 15,885,312.22 × 8,405,810.90
  4. Step 4: Simplify right side
    11,506,769.54x = 133,528,930,608,779.20
  5. Step 5: Solve for x
    x = 133,528,930,608,779.20/11,506,769.54
  6. Step 6: Final answer
    x = 11,604,380.37

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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.