Home / 12,843,832.64-17,724,688.80-7,043,144

Finding the Fourth Proportional to 12,843,832.64, 17,724,688.80 and 7,043,144

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Solution

The fourth proportional to 12,843,832.64, 17,724,688.80 and 7,043,144 is: 9,719,648.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,843,832.64 : 17,724,688.80 = 7,043,144 : x
  2. Step 2: Convert to fraction form
    12,843,832.64/17,724,688.80 = 7,043,144/x
  3. Step 3: Cross multiply
    12,843,832.64x = 17,724,688.80 × 7,043,144
  4. Step 4: Simplify right side
    12,843,832.64x = 124,837,535,573,587.20
  5. Step 5: Solve for x
    x = 124,837,535,573,587.20/12,843,832.64
  6. Step 6: Final answer
    x = 9,719,648.26

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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.