Home / 12,138,971.61-16,751,585.31-6,632,228.17

Finding the Fourth Proportional to 12,138,971.61, 16,751,585.31 and 6,632,228.17

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Solution

The fourth proportional to 12,138,971.61, 16,751,585.31 and 6,632,228.17 is: 9,152,368.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,138,971.61 : 16,751,585.31 = 6,632,228.17 : x
  2. Step 2: Convert to fraction form
    12,138,971.61/16,751,585.31 = 6,632,228.17/x
  3. Step 3: Cross multiply
    12,138,971.61x = 16,751,585.31 × 6,632,228.17
  4. Step 4: Simplify right side
    12,138,971.61x = 111,100,335,985,140.19
  5. Step 5: Solve for x
    x = 111,100,335,985,140.19/12,138,971.61
  6. Step 6: Final answer
    x = 9,152,368.06

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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.