Home / 6,917,962.40-10,376,943.60-6,811,674.20

Finding the Fourth Proportional to 6,917,962.40, 10,376,943.60 and 6,811,674.20

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Solution

The fourth proportional to 6,917,962.40, 10,376,943.60 and 6,811,674.20 is: 10,217,511.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917,962.40 : 10,376,943.60 = 6,811,674.20 : x
  2. Step 2: Convert to fraction form
    6,917,962.40/10,376,943.60 = 6,811,674.20/x
  3. Step 3: Cross multiply
    6,917,962.40x = 10,376,943.60 × 6,811,674.20
  4. Step 4: Simplify right side
    6,917,962.40x = 70,684,358,994,975.12
  5. Step 5: Solve for x
    x = 70,684,358,994,975.12/6,917,962.40
  6. Step 6: Final answer
    x = 10,217,511.30

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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.