Home / 19,776,886.72-29,660,683.20-11,144,749.12

Finding the Fourth Proportional to 19,776,886.72, 29,660,683.20 and 11,144,749.12

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Solution

The fourth proportional to 19,776,886.72, 29,660,683.20 and 11,144,749.12 is: 16,714,505.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,776,886.72 : 29,660,683.20 = 11,144,749.12 : x
  2. Step 2: Convert to fraction form
    19,776,886.72/29,660,683.20 = 11,144,749.12/x
  3. Step 3: Cross multiply
    19,776,886.72x = 29,660,683.20 × 11,144,749.12
  4. Step 4: Simplify right side
    19,776,886.72x = 330,560,872,991,798.75
  5. Step 5: Solve for x
    x = 330,560,872,991,798.75/19,776,886.72
  6. Step 6: Final answer
    x = 16,714,505.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.