Home / 12,254,258.49-18,372,875.04-5,427,111.12

Finding the Fourth Proportional to 12,254,258.49, 18,372,875.04 and 5,427,111.12

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Solution

The fourth proportional to 12,254,258.49, 18,372,875.04 and 5,427,111.12 is: 8,136,896.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254,258.49 : 18,372,875.04 = 5,427,111.12 : x
  2. Step 2: Convert to fraction form
    12,254,258.49/18,372,875.04 = 5,427,111.12/x
  3. Step 3: Cross multiply
    12,254,258.49x = 18,372,875.04 × 5,427,111.12
  4. Step 4: Simplify right side
    12,254,258.49x = 99,711,634,435,954.44
  5. Step 5: Solve for x
    x = 99,711,634,435,954.44/12,254,258.49
  6. Step 6: Final answer
    x = 8,136,896.62

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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.