Home / 7,243,820.80-10,865,731.20-4,374,039.40

Finding the Fourth Proportional to 7,243,820.80, 10,865,731.20 and 4,374,039.40

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Solution

The fourth proportional to 7,243,820.80, 10,865,731.20 and 4,374,039.40 is: 6,561,059.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,820.80 : 10,865,731.20 = 4,374,039.40 : x
  2. Step 2: Convert to fraction form
    7,243,820.80/10,865,731.20 = 4,374,039.40/x
  3. Step 3: Cross multiply
    7,243,820.80x = 10,865,731.20 × 4,374,039.40
  4. Step 4: Simplify right side
    7,243,820.80x = 47,527,136,378,609.28
  5. Step 5: Solve for x
    x = 47,527,136,378,609.28/7,243,820.80
  6. Step 6: Final answer
    x = 6,561,059.10

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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.