Home / 28,256,212.60-42,387,429.30-10,309,204.60

Finding the Fourth Proportional to 28,256,212.60, 42,387,429.30 and 10,309,204.60

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Solution

The fourth proportional to 28,256,212.60, 42,387,429.30 and 10,309,204.60 is: 15,464,941.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,256,212.60 : 42,387,429.30 = 10,309,204.60 : x
  2. Step 2: Convert to fraction form
    28,256,212.60/42,387,429.30 = 10,309,204.60/x
  3. Step 3: Cross multiply
    28,256,212.60x = 42,387,429.30 × 10,309,204.60
  4. Step 4: Simplify right side
    28,256,212.60x = 436,980,681,121,734.75
  5. Step 5: Solve for x
    x = 436,980,681,121,734.75/28,256,212.60
  6. Step 6: Final answer
    x = 15,464,941.72

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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.