Home / 28,201,946.40-42,302,919.60-8,007,188.40

Finding the Fourth Proportional to 28,201,946.40, 42,302,919.60 and 8,007,188.40

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Solution

The fourth proportional to 28,201,946.40, 42,302,919.60 and 8,007,188.40 is: 12,010,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,201,946.40 : 42,302,919.60 = 8,007,188.40 : x
  2. Step 2: Convert to fraction form
    28,201,946.40/42,302,919.60 = 8,007,188.40/x
  3. Step 3: Cross multiply
    28,201,946.40x = 42,302,919.60 × 8,007,188.40
  4. Step 4: Simplify right side
    28,201,946.40x = 338,727,447,107,252.69
  5. Step 5: Solve for x
    x = 338,727,447,107,252.69/28,201,946.40
  6. Step 6: Final answer
    x = 12,010,782.60

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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.