Home / 38,440,093.60-57,660,140.40-12,872,605.60

Finding the Fourth Proportional to 38,440,093.60, 57,660,140.40 and 12,872,605.60

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Solution

The fourth proportional to 38,440,093.60, 57,660,140.40 and 12,872,605.60 is: 19,308,908.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,440,093.60 : 57,660,140.40 = 12,872,605.60 : x
  2. Step 2: Convert to fraction form
    38,440,093.60/57,660,140.40 = 12,872,605.60/x
  3. Step 3: Cross multiply
    38,440,093.60x = 57,660,140.40 × 12,872,605.60
  4. Step 4: Simplify right side
    38,440,093.60x = 742,236,246,209,826.25
  5. Step 5: Solve for x
    x = 742,236,246,209,826.25/38,440,093.60
  6. Step 6: Final answer
    x = 19,308,908.40

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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.