Home / 9,918,664.20-14,850,002.70-9,638,728.20

Finding the Fourth Proportional to 9,918,664.20, 14,850,002.70 and 9,638,728.20

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Solution

The fourth proportional to 9,918,664.20, 14,850,002.70 and 9,638,728.20 is: 14,430,888.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,918,664.20 : 14,850,002.70 = 9,638,728.20 : x
  2. Step 2: Convert to fraction form
    9,918,664.20/14,850,002.70 = 9,638,728.20/x
  3. Step 3: Cross multiply
    9,918,664.20x = 14,850,002.70 × 9,638,728.20
  4. Step 4: Simplify right side
    9,918,664.20x = 143,135,139,794,566.12
  5. Step 5: Solve for x
    x = 143,135,139,794,566.12/9,918,664.20
  6. Step 6: Final answer
    x = 14,430,888.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.