Home / 10,430,158.20-15,645,237.30-5,328,324.60

Finding the Fourth Proportional to 10,430,158.20, 15,645,237.30 and 5,328,324.60

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Solution

The fourth proportional to 10,430,158.20, 15,645,237.30 and 5,328,324.60 is: 7,992,486.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430,158.20 : 15,645,237.30 = 5,328,324.60 : x
  2. Step 2: Convert to fraction form
    10,430,158.20/15,645,237.30 = 5,328,324.60/x
  3. Step 3: Cross multiply
    10,430,158.20x = 15,645,237.30 × 5,328,324.60
  4. Step 4: Simplify right side
    10,430,158.20x = 83,362,902,778,427.58
  5. Step 5: Solve for x
    x = 83,362,902,778,427.58/10,430,158.20
  6. Step 6: Final answer
    x = 7,992,486.90

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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.