Home / 10,643,740.79-15,975,704.90-6,587,960.21

Finding the Fourth Proportional to 10,643,740.79, 15,975,704.90 and 6,587,960.21

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Solution

The fourth proportional to 10,643,740.79, 15,975,704.90 and 6,587,960.21 is: 9,888,187.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643,740.79 : 15,975,704.90 = 6,587,960.21 : x
  2. Step 2: Convert to fraction form
    10,643,740.79/15,975,704.90 = 6,587,960.21/x
  3. Step 3: Cross multiply
    10,643,740.79x = 15,975,704.90 × 6,587,960.21
  4. Step 4: Simplify right side
    10,643,740.79x = 105,247,308,144,493.41
  5. Step 5: Solve for x
    x = 105,247,308,144,493.41/10,643,740.79
  6. Step 6: Final answer
    x = 9,888,187.83

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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.