Home / 11,128,447.12-15,358,108.99-7,002,015.35

Finding the Fourth Proportional to 11,128,447.12, 15,358,108.99 and 7,002,015.35

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Solution

The fourth proportional to 11,128,447.12, 15,358,108.99 and 7,002,015.35 is: 9,663,317.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128,447.12 : 15,358,108.99 = 7,002,015.35 : x
  2. Step 2: Convert to fraction form
    11,128,447.12/15,358,108.99 = 7,002,015.35/x
  3. Step 3: Cross multiply
    11,128,447.12x = 15,358,108.99 × 7,002,015.35
  4. Step 4: Simplify right side
    11,128,447.12x = 107,537,714,840,298.19
  5. Step 5: Solve for x
    x = 107,537,714,840,298.19/11,128,447.12
  6. Step 6: Final answer
    x = 9,663,317.24

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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.