Home / 15,779,457.30-21,775,438.32-8,810,241.60

Finding the Fourth Proportional to 15,779,457.30, 21,775,438.32 and 8,810,241.60

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Solution

The fourth proportional to 15,779,457.30, 21,775,438.32 and 8,810,241.60 is: 12,158,014.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779,457.30 : 21,775,438.32 = 8,810,241.60 : x
  2. Step 2: Convert to fraction form
    15,779,457.30/21,775,438.32 = 8,810,241.60/x
  3. Step 3: Cross multiply
    15,779,457.30x = 21,775,438.32 × 8,810,241.60
  4. Step 4: Simplify right side
    15,779,457.30x = 191,846,872,545,098.09
  5. Step 5: Solve for x
    x = 191,846,872,545,098.09/15,779,457.30
  6. Step 6: Final answer
    x = 12,158,014.62

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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.