Home / 12,139,112.58-16,751,776.95-6,632,368.62

Finding the Fourth Proportional to 12,139,112.58, 16,751,776.95 and 6,632,368.62

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Solution

The fourth proportional to 12,139,112.58, 16,751,776.95 and 6,632,368.62 is: 9,152,560.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,139,112.58 : 16,751,776.95 = 6,632,368.62 : x
  2. Step 2: Convert to fraction form
    12,139,112.58/16,751,776.95 = 6,632,368.62/x
  3. Step 3: Cross multiply
    12,139,112.58x = 16,751,776.95 × 6,632,368.62
  4. Step 4: Simplify right side
    12,139,112.58x = 111,103,959,772,419.31
  5. Step 5: Solve for x
    x = 111,103,959,772,419.31/12,139,112.58
  6. Step 6: Final answer
    x = 9,152,560.29

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1.5x scale

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.