Home / 6,990,000.81-10,480,126.64-3,097,340.80

Finding the Fourth Proportional to 6,990,000.81, 10,480,126.64 and 3,097,340.80

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Solution

The fourth proportional to 6,990,000.81, 10,480,126.64 and 3,097,340.80 is: 4,643,851.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990,000.81 : 10,480,126.64 = 3,097,340.80 : x
  2. Step 2: Convert to fraction form
    6,990,000.81/10,480,126.64 = 3,097,340.80/x
  3. Step 3: Cross multiply
    6,990,000.81x = 10,480,126.64 × 3,097,340.80
  4. Step 4: Simplify right side
    6,990,000.81x = 32,460,523,831,238.91
  5. Step 5: Solve for x
    x = 32,460,523,831,238.91/6,990,000.81
  6. Step 6: Final answer
    x = 4,643,851.23

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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.