Home / 8,068,672.80-12,089,012.40-5,227,322.40

Finding the Fourth Proportional to 8,068,672.80, 12,089,012.40 and 5,227,322.40

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Solution

The fourth proportional to 8,068,672.80, 12,089,012.40 and 5,227,322.40 is: 7,831,915.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068,672.80 : 12,089,012.40 = 5,227,322.40 : x
  2. Step 2: Convert to fraction form
    8,068,672.80/12,089,012.40 = 5,227,322.40/x
  3. Step 3: Cross multiply
    8,068,672.80x = 12,089,012.40 × 5,227,322.40
  4. Step 4: Simplify right side
    8,068,672.80x = 63,193,165,312,397.77
  5. Step 5: Solve for x
    x = 63,193,165,312,397.77/8,068,672.80
  6. Step 6: Final answer
    x = 7,831,915.72

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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.