Home / 27,776,165.22-38,330,627.85-15,385,998.89

Finding the Fourth Proportional to 27,776,165.22, 38,330,627.85 and 15,385,998.89

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Solution

The fourth proportional to 27,776,165.22, 38,330,627.85 and 15,385,998.89 is: 21,232,412.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,776,165.22 : 38,330,627.85 = 15,385,998.89 : x
  2. Step 2: Convert to fraction form
    27,776,165.22/38,330,627.85 = 15,385,998.89/x
  3. Step 3: Cross multiply
    27,776,165.22x = 38,330,627.85 × 15,385,998.89
  4. Step 4: Simplify right side
    27,776,165.22x = 589,754,997,648,929.62
  5. Step 5: Solve for x
    x = 589,754,997,648,929.62/27,776,165.22
  6. Step 6: Final answer
    x = 21,232,412.50

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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.