Home / 18,209,622.83-25,128,531.70-9,949,968.64

Finding the Fourth Proportional to 18,209,622.83, 25,128,531.70 and 9,949,968.64

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Solution

The fourth proportional to 18,209,622.83, 25,128,531.70 and 9,949,968.64 is: 13,730,548.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,209,622.83 : 25,128,531.70 = 9,949,968.64 : x
  2. Step 2: Convert to fraction form
    18,209,622.83/25,128,531.70 = 9,949,968.64/x
  3. Step 3: Cross multiply
    18,209,622.83x = 25,128,531.70 × 9,949,968.64
  4. Step 4: Simplify right side
    18,209,622.83x = 250,028,102,305,402.19
  5. Step 5: Solve for x
    x = 250,028,102,305,402.19/18,209,622.83
  6. Step 6: Final answer
    x = 13,730,548.11

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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.