Home / 28,249,016.21-42,373,917.98-8,054,258.21

Finding the Fourth Proportional to 28,249,016.21, 42,373,917.98 and 8,054,258.21

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Solution

The fourth proportional to 28,249,016.21, 42,373,917.98 and 8,054,258.21 is: 12,081,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,249,016.21 : 42,373,917.98 = 8,054,258.21 : x
  2. Step 2: Convert to fraction form
    28,249,016.21/42,373,917.98 = 8,054,258.21/x
  3. Step 3: Cross multiply
    28,249,016.21x = 42,373,917.98 × 8,054,258.21
  4. Step 4: Simplify right side
    28,249,016.21x = 341,290,476,528,140.75
  5. Step 5: Solve for x
    x = 341,290,476,528,140.75/28,249,016.21
  6. Step 6: Final answer
    x = 12,081,499.55

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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.