Home / 12,615,975.24-18,927,154.63-3,518,073.81

Finding the Fourth Proportional to 12,615,975.24, 18,927,154.63 and 3,518,073.81

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Solution

The fourth proportional to 12,615,975.24, 18,927,154.63 and 3,518,073.81 is: 5,278,000.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,615,975.24 : 18,927,154.63 = 3,518,073.81 : x
  2. Step 2: Convert to fraction form
    12,615,975.24/18,927,154.63 = 3,518,073.81/x
  3. Step 3: Cross multiply
    12,615,975.24x = 18,927,154.63 × 3,518,073.81
  4. Step 4: Simplify right side
    12,615,975.24x = 66,587,127,008,494.05
  5. Step 5: Solve for x
    x = 66,587,127,008,494.05/12,615,975.24
  6. Step 6: Final answer
    x = 5,278,000.77

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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.