Home / 12,005,894.08-18,009,339.12-3,486,230.56

Finding the Fourth Proportional to 12,005,894.08, 18,009,339.12 and 3,486,230.56

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Solution

The fourth proportional to 12,005,894.08, 18,009,339.12 and 3,486,230.56 is: 5,229,490.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,005,894.08 : 18,009,339.12 = 3,486,230.56 : x
  2. Step 2: Convert to fraction form
    12,005,894.08/18,009,339.12 = 3,486,230.56/x
  3. Step 3: Cross multiply
    12,005,894.08x = 18,009,339.12 × 3,486,230.56
  4. Step 4: Simplify right side
    12,005,894.08x = 62,784,708,405,547.52
  5. Step 5: Solve for x
    x = 62,784,708,405,547.52/12,005,894.08
  6. Step 6: Final answer
    x = 5,229,490.45

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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.