Home / 14,409,109.72-21,579,031.71-8,242,395.10

Finding the Fourth Proportional to 14,409,109.72, 21,579,031.71 and 8,242,395.10

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Solution

The fourth proportional to 14,409,109.72, 21,579,031.71 and 8,242,395.10 is: 12,343,781.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,409,109.72 : 21,579,031.71 = 8,242,395.10 : x
  2. Step 2: Convert to fraction form
    14,409,109.72/21,579,031.71 = 8,242,395.10/x
  3. Step 3: Cross multiply
    14,409,109.72x = 21,579,031.71 × 8,242,395.10
  4. Step 4: Simplify right side
    14,409,109.72x = 177,862,905,241,984.22
  5. Step 5: Solve for x
    x = 177,862,905,241,984.22/14,409,109.72
  6. Step 6: Final answer
    x = 12,343,781.73

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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.