Home / 9,238,905.12-12,749,771.61-5,109,214.08

Finding the Fourth Proportional to 9,238,905.12, 12,749,771.61 and 5,109,214.08

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Solution

The fourth proportional to 9,238,905.12, 12,749,771.61 and 5,109,214.08 is: 7,050,761.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,238,905.12 : 12,749,771.61 = 5,109,214.08 : x
  2. Step 2: Convert to fraction form
    9,238,905.12/12,749,771.61 = 5,109,214.08/x
  3. Step 3: Cross multiply
    9,238,905.12x = 12,749,771.61 × 5,109,214.08
  4. Step 4: Simplify right side
    9,238,905.12x = 65,141,312,575,620.45
  5. Step 5: Solve for x
    x = 65,141,312,575,620.45/9,238,905.12
  6. Step 6: Final answer
    x = 7,050,761.08

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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.