Home / 21,484,351.78-29,648,783.46-11,695,077.34

Finding the Fourth Proportional to 21,484,351.78, 29,648,783.46 and 11,695,077.34

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Solution

The fourth proportional to 21,484,351.78, 29,648,783.46 and 11,695,077.34 is: 16,139,412.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,484,351.78 : 29,648,783.46 = 11,695,077.34 : x
  2. Step 2: Convert to fraction form
    21,484,351.78/29,648,783.46 = 11,695,077.34/x
  3. Step 3: Cross multiply
    21,484,351.78x = 29,648,783.46 × 11,695,077.34
  4. Step 4: Simplify right side
    21,484,351.78x = 346,744,815,571,347.38
  5. Step 5: Solve for x
    x = 346,744,815,571,347.38/21,484,351.78
  6. Step 6: Final answer
    x = 16,139,412.50

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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.