Home / 21,565,928.12-32,338,074.90-7,183,939.64

Finding the Fourth Proportional to 21,565,928.12, 32,338,074.90 and 7,183,939.64

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Solution

The fourth proportional to 21,565,928.12, 32,338,074.90 and 7,183,939.64 is: 10,772,306.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,565,928.12 : 32,338,074.90 = 7,183,939.64 : x
  2. Step 2: Convert to fraction form
    21,565,928.12/32,338,074.90 = 7,183,939.64/x
  3. Step 3: Cross multiply
    21,565,928.12x = 32,338,074.90 × 7,183,939.64
  4. Step 4: Simplify right side
    21,565,928.12x = 232,314,778,263,184
  5. Step 5: Solve for x
    x = 232,314,778,263,184/21,565,928.12
  6. Step 6: Final answer
    x = 10,772,306.06

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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.