Home / 18,209,638.98-25,128,554.04-9,949,984.83

Finding the Fourth Proportional to 18,209,638.98, 25,128,554.04 and 9,949,984.83

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Solution

The fourth proportional to 18,209,638.98, 25,128,554.04 and 9,949,984.83 is: 13,730,570.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,209,638.98 : 25,128,554.04 = 9,949,984.83 : x
  2. Step 2: Convert to fraction form
    18,209,638.98/25,128,554.04 = 9,949,984.83/x
  3. Step 3: Cross multiply
    18,209,638.98x = 25,128,554.04 × 9,949,984.83
  4. Step 4: Simplify right side
    18,209,638.98x = 250,028,731,497,835.22
  5. Step 5: Solve for x
    x = 250,028,731,497,835.22/18,209,638.98
  6. Step 6: Final answer
    x = 13,730,570.48

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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.