Home / 7,307,680.42-10,939,681.27-4,420,309.06

Finding the Fourth Proportional to 7,307,680.42, 10,939,681.27 and 4,420,309.06

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Solution

The fourth proportional to 7,307,680.42, 10,939,681.27 and 4,420,309.06 is: 6,617,253.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,307,680.42 : 10,939,681.27 = 4,420,309.06 : x
  2. Step 2: Convert to fraction form
    7,307,680.42/10,939,681.27 = 4,420,309.06/x
  3. Step 3: Cross multiply
    7,307,680.42x = 10,939,681.27 × 4,420,309.06
  4. Step 4: Simplify right side
    7,307,680.42x = 48,356,772,231,293.30
  5. Step 5: Solve for x
    x = 48,356,772,231,293.30/7,307,680.42
  6. Step 6: Final answer
    x = 6,617,253.28

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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.