Home / 9,128,875.86-13,694,649.08-2,739,633.12

Finding the Fourth Proportional to 9,128,875.86, 13,694,649.08 and 2,739,633.12

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Solution

The fourth proportional to 9,128,875.86, 13,694,649.08 and 2,739,633.12 is: 4,109,850.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128,875.86 : 13,694,649.08 = 2,739,633.12 : x
  2. Step 2: Convert to fraction form
    9,128,875.86/13,694,649.08 = 2,739,633.12/x
  3. Step 3: Cross multiply
    9,128,875.86x = 13,694,649.08 × 2,739,633.12
  4. Step 4: Simplify right side
    9,128,875.86x = 37,518,314,172,647.37
  5. Step 5: Solve for x
    x = 37,518,314,172,647.37/9,128,875.86
  6. Step 6: Final answer
    x = 4,109,850.41

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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.