Home / 10,403,705.20-15,605,557.80-3,672,799.60

Finding the Fourth Proportional to 10,403,705.20, 15,605,557.80 and 3,672,799.60

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Solution

The fourth proportional to 10,403,705.20, 15,605,557.80 and 3,672,799.60 is: 5,509,199.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403,705.20 : 15,605,557.80 = 3,672,799.60 : x
  2. Step 2: Convert to fraction form
    10,403,705.20/15,605,557.80 = 3,672,799.60/x
  3. Step 3: Cross multiply
    10,403,705.20x = 15,605,557.80 × 3,672,799.60
  4. Step 4: Simplify right side
    10,403,705.20x = 57,316,086,445,616.88
  5. Step 5: Solve for x
    x = 57,316,086,445,616.88/10,403,705.20
  6. Step 6: Final answer
    x = 5,509,199.40

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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.