Home / 9,213,109.80-12,714,135.48-5,083,140.72

Finding the Fourth Proportional to 9,213,109.80, 12,714,135.48 and 5,083,140.72

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Solution

The fourth proportional to 9,213,109.80, 12,714,135.48 and 5,083,140.72 is: 7,014,758.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213,109.80 : 12,714,135.48 = 5,083,140.72 : x
  2. Step 2: Convert to fraction form
    9,213,109.80/12,714,135.48 = 5,083,140.72/x
  3. Step 3: Cross multiply
    9,213,109.80x = 12,714,135.48 × 5,083,140.72
  4. Step 4: Simplify right side
    9,213,109.80x = 64,627,739,777,984.74
  5. Step 5: Solve for x
    x = 64,627,739,777,984.74/9,213,109.80
  6. Step 6: Final answer
    x = 7,014,758.45

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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.