Home / 28,038,930.60-42,077,204.10-9,843,090.60

Finding the Fourth Proportional to 28,038,930.60, 42,077,204.10 and 9,843,090.60

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Solution

The fourth proportional to 28,038,930.60, 42,077,204.10 and 9,843,090.60 is: 14,771,238.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,038,930.60 : 42,077,204.10 = 9,843,090.60 : x
  2. Step 2: Convert to fraction form
    28,038,930.60/42,077,204.10 = 9,843,090.60/x
  3. Step 3: Cross multiply
    28,038,930.60x = 42,077,204.10 × 9,843,090.60
  4. Step 4: Simplify right side
    28,038,930.60x = 414,169,732,150,991.44
  5. Step 5: Solve for x
    x = 414,169,732,150,991.44/28,038,930.60
  6. Step 6: Final answer
    x = 14,771,238.53

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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.