Home / 13,524,490-20,287,915.80-3,427,111.36

Finding the Fourth Proportional to 13,524,490, 20,287,915.80 and 3,427,111.36

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Solution

The fourth proportional to 13,524,490, 20,287,915.80 and 3,427,111.36 is: 5,140,966.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524,490 : 20,287,915.80 = 3,427,111.36 : x
  2. Step 2: Convert to fraction form
    13,524,490/20,287,915.80 = 3,427,111.36/x
  3. Step 3: Cross multiply
    13,524,490x = 20,287,915.80 × 3,427,111.36
  4. Step 4: Simplify right side
    13,524,490x = 69,528,946,708,903.48
  5. Step 5: Solve for x
    x = 69,528,946,708,903.48/13,524,490
  6. Step 6: Final answer
    x = 5,140,966.26

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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.