Home / 8,989,895.60-13,484,843.40-5,213,092.40

Finding the Fourth Proportional to 8,989,895.60, 13,484,843.40 and 5,213,092.40

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Solution

The fourth proportional to 8,989,895.60, 13,484,843.40 and 5,213,092.40 is: 7,819,638.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989,895.60 : 13,484,843.40 = 5,213,092.40 : x
  2. Step 2: Convert to fraction form
    8,989,895.60/13,484,843.40 = 5,213,092.40/x
  3. Step 3: Cross multiply
    8,989,895.60x = 13,484,843.40 × 5,213,092.40
  4. Step 4: Simplify right side
    8,989,895.60x = 70,297,734,643,730.16
  5. Step 5: Solve for x
    x = 70,297,734,643,730.16/8,989,895.60
  6. Step 6: Final answer
    x = 7,819,638.60

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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.