Home / 28,877,047.25-39,850,325.66-15,824,819.84

Finding the Fourth Proportional to 28,877,047.25, 39,850,325.66 and 15,824,819.84

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Solution

The fourth proportional to 28,877,047.25, 39,850,325.66 and 15,824,819.84 is: 21,838,251.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,877,047.25 : 39,850,325.66 = 15,824,819.84 : x
  2. Step 2: Convert to fraction form
    28,877,047.25/39,850,325.66 = 15,824,819.84/x
  3. Step 3: Cross multiply
    28,877,047.25x = 39,850,325.66 × 15,824,819.84
  4. Step 4: Simplify right side
    28,877,047.25x = 630,624,224,134,829
  5. Step 5: Solve for x
    x = 630,624,224,134,829/28,877,047.25
  6. Step 6: Final answer
    x = 21,838,251.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.