Home / 21,525,348.61-29,704,972.55-11,735,800.80

Finding the Fourth Proportional to 21,525,348.61, 29,704,972.55 and 11,735,800.80

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Solution

The fourth proportional to 21,525,348.61, 29,704,972.55 and 11,735,800.80 is: 16,195,400.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,525,348.61 : 29,704,972.55 = 11,735,800.80 : x
  2. Step 2: Convert to fraction form
    21,525,348.61/29,704,972.55 = 11,735,800.80/x
  3. Step 3: Cross multiply
    21,525,348.61x = 29,704,972.55 × 11,735,800.80
  4. Step 4: Simplify right side
    21,525,348.61x = 348,611,640,616,268.06
  5. Step 5: Solve for x
    x = 348,611,640,616,268.06/21,525,348.61
  6. Step 6: Final answer
    x = 16,195,400.45

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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.