Home / 28,822,764.60-39,775,913.28-15,771,164.22

Finding the Fourth Proportional to 28,822,764.60, 39,775,913.28 and 15,771,164.22

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Solution

The fourth proportional to 28,822,764.60, 39,775,913.28 and 15,771,164.22 is: 21,764,479.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,822,764.60 : 39,775,913.28 = 15,771,164.22 : x
  2. Step 2: Convert to fraction form
    28,822,764.60/39,775,913.28 = 15,771,164.22/x
  3. Step 3: Cross multiply
    28,822,764.60x = 39,775,913.28 × 15,771,164.22
  4. Step 4: Simplify right side
    28,822,764.60x = 627,312,460,339,358.88
  5. Step 5: Solve for x
    x = 627,312,460,339,358.88/28,822,764.60
  6. Step 6: Final answer
    x = 21,764,479.19

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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.