Home / 7,408,979.83-11,113,407.32-5,791,109.52

Finding the Fourth Proportional to 7,408,979.83, 11,113,407.32 and 5,791,109.52

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Solution

The fourth proportional to 7,408,979.83, 11,113,407.32 and 5,791,109.52 is: 8,686,615.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408,979.83 : 11,113,407.32 = 5,791,109.52 : x
  2. Step 2: Convert to fraction form
    7,408,979.83/11,113,407.32 = 5,791,109.52/x
  3. Step 3: Cross multiply
    7,408,979.83x = 11,113,407.32 × 5,791,109.52
  4. Step 4: Simplify right side
    7,408,979.83x = 64,358,958,901,534.13
  5. Step 5: Solve for x
    x = 64,358,958,901,534.13/7,408,979.83
  6. Step 6: Final answer
    x = 8,686,615.48

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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.