Home / 8,317,261.60-12,475,892.40-3,838,285.60

Finding the Fourth Proportional to 8,317,261.60, 12,475,892.40 and 3,838,285.60

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Solution

The fourth proportional to 8,317,261.60, 12,475,892.40 and 3,838,285.60 is: 5,757,428.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317,261.60 : 12,475,892.40 = 3,838,285.60 : x
  2. Step 2: Convert to fraction form
    8,317,261.60/12,475,892.40 = 3,838,285.60/x
  3. Step 3: Cross multiply
    8,317,261.60x = 12,475,892.40 × 3,838,285.60
  4. Step 4: Simplify right side
    8,317,261.60x = 47,886,038,146,069.45
  5. Step 5: Solve for x
    x = 47,886,038,146,069.45/8,317,261.60
  6. Step 6: Final answer
    x = 5,757,428.40

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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.