Home / 12,507,002.66-18,769,475.55-5,323,582.46

Finding the Fourth Proportional to 12,507,002.66, 18,769,475.55 and 5,323,582.46

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Solution

The fourth proportional to 12,507,002.66, 18,769,475.55 and 5,323,582.46 is: 7,989,192.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507,002.66 : 18,769,475.55 = 5,323,582.46 : x
  2. Step 2: Convert to fraction form
    12,507,002.66/18,769,475.55 = 5,323,582.46/x
  3. Step 3: Cross multiply
    12,507,002.66x = 18,769,475.55 × 5,323,582.46
  4. Step 4: Simplify right side
    12,507,002.66x = 99,920,850,821,378.86
  5. Step 5: Solve for x
    x = 99,920,850,821,378.86/12,507,002.66
  6. Step 6: Final answer
    x = 7,989,192.42

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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.