Home / 7,137,038.40-10,702,015.20-2,587,905.60

Finding the Fourth Proportional to 7,137,038.40, 10,702,015.20 and 2,587,905.60

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Solution

The fourth proportional to 7,137,038.40, 10,702,015.20 and 2,587,905.60 is: 3,880,573.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137,038.40 : 10,702,015.20 = 2,587,905.60 : x
  2. Step 2: Convert to fraction form
    7,137,038.40/10,702,015.20 = 2,587,905.60/x
  3. Step 3: Cross multiply
    7,137,038.40x = 10,702,015.20 × 2,587,905.60
  4. Step 4: Simplify right side
    7,137,038.40x = 27,695,805,067,365.12
  5. Step 5: Solve for x
    x = 27,695,805,067,365.12/7,137,038.40
  6. Step 6: Final answer
    x = 3,880,573.92

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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.