Home / 6,645,341.20-9,968,011.80-5,582,459.20

Finding the Fourth Proportional to 6,645,341.20, 9,968,011.80 and 5,582,459.20

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Solution

The fourth proportional to 6,645,341.20, 9,968,011.80 and 5,582,459.20 is: 8,373,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645,341.20 : 9,968,011.80 = 5,582,459.20 : x
  2. Step 2: Convert to fraction form
    6,645,341.20/9,968,011.80 = 5,582,459.20/x
  3. Step 3: Cross multiply
    6,645,341.20x = 9,968,011.80 × 5,582,459.20
  4. Step 4: Simplify right side
    6,645,341.20x = 55,646,019,178,618.56
  5. Step 5: Solve for x
    x = 55,646,019,178,618.56/6,645,341.20
  6. Step 6: Final answer
    x = 8,373,688.80

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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.