Home / 6,960,376.40-10,440,564.60-6,487,984.40

Finding the Fourth Proportional to 6,960,376.40, 10,440,564.60 and 6,487,984.40

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Solution

The fourth proportional to 6,960,376.40, 10,440,564.60 and 6,487,984.40 is: 9,731,976.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,960,376.40 : 10,440,564.60 = 6,487,984.40 : x
  2. Step 2: Convert to fraction form
    6,960,376.40/10,440,564.60 = 6,487,984.40/x
  3. Step 3: Cross multiply
    6,960,376.40x = 10,440,564.60 × 6,487,984.40
  4. Step 4: Simplify right side
    6,960,376.40x = 67,738,220,251,992.24
  5. Step 5: Solve for x
    x = 67,738,220,251,992.24/6,960,376.40
  6. Step 6: Final answer
    x = 9,731,976.60

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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.