Home / 15,584,919.90-21,493,263.51-9,784,242.06

Finding the Fourth Proportional to 15,584,919.90, 21,493,263.51 and 9,784,242.06

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Solution

The fourth proportional to 15,584,919.90, 21,493,263.51 and 9,784,242.06 is: 13,493,511.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,584,919.90 : 21,493,263.51 = 9,784,242.06 : x
  2. Step 2: Convert to fraction form
    15,584,919.90/21,493,263.51 = 9,784,242.06/x
  3. Step 3: Cross multiply
    15,584,919.90x = 21,493,263.51 × 9,784,242.06
  4. Step 4: Simplify right side
    15,584,919.90x = 210,295,292,841,205.25
  5. Step 5: Solve for x
    x = 210,295,292,841,205.25/15,584,919.90
  6. Step 6: Final answer
    x = 13,493,511.30

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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.