Home / 8,020,419.45-12,030,629.18-6,228,829.05

Finding the Fourth Proportional to 8,020,419.45, 12,030,629.18 and 6,228,829.05

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Solution

The fourth proportional to 8,020,419.45, 12,030,629.18 and 6,228,829.05 is: 9,343,243.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020,419.45 : 12,030,629.18 = 6,228,829.05 : x
  2. Step 2: Convert to fraction form
    8,020,419.45/12,030,629.18 = 6,228,829.05/x
  3. Step 3: Cross multiply
    8,020,419.45x = 12,030,629.18 × 6,228,829.05
  4. Step 4: Simplify right side
    8,020,419.45x = 74,936,732,495,017.53
  5. Step 5: Solve for x
    x = 74,936,732,495,017.53/8,020,419.45
  6. Step 6: Final answer
    x = 9,343,243.58

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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.