Home / 21,525,178.15-29,697,293.76-13,794,483.07

Finding the Fourth Proportional to 21,525,178.15, 29,697,293.76 and 13,794,483.07

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Solution

The fourth proportional to 21,525,178.15, 29,697,293.76 and 13,794,483.07 is: 19,031,610.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,525,178.15 : 29,697,293.76 = 13,794,483.07 : x
  2. Step 2: Convert to fraction form
    21,525,178.15/29,697,293.76 = 13,794,483.07/x
  3. Step 3: Cross multiply
    21,525,178.15x = 29,697,293.76 × 13,794,483.07
  4. Step 4: Simplify right side
    21,525,178.15x = 409,658,815,997,136.69
  5. Step 5: Solve for x
    x = 409,658,815,997,136.69/21,525,178.15
  6. Step 6: Final answer
    x = 19,031,610.94

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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.