Home / 7,243,842.80-10,865,764.20-4,374,061.40

Finding the Fourth Proportional to 7,243,842.80, 10,865,764.20 and 4,374,061.40

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Solution

The fourth proportional to 7,243,842.80, 10,865,764.20 and 4,374,061.40 is: 6,561,092.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,842.80 : 10,865,764.20 = 4,374,061.40 : x
  2. Step 2: Convert to fraction form
    7,243,842.80/10,865,764.20 = 4,374,061.40/x
  3. Step 3: Cross multiply
    7,243,842.80x = 10,865,764.20 × 4,374,061.40
  4. Step 4: Simplify right side
    7,243,842.80x = 47,527,519,768,721.88
  5. Step 5: Solve for x
    x = 47,527,519,768,721.88/7,243,842.80
  6. Step 6: Final answer
    x = 6,561,092.10

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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.