Home / 13,095,662.40-19,643,493.60-12,591,777.60

Finding the Fourth Proportional to 13,095,662.40, 19,643,493.60 and 12,591,777.60

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Solution

The fourth proportional to 13,095,662.40, 19,643,493.60 and 12,591,777.60 is: 18,887,666.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095,662.40 : 19,643,493.60 = 12,591,777.60 : x
  2. Step 2: Convert to fraction form
    13,095,662.40/19,643,493.60 = 12,591,777.60/x
  3. Step 3: Cross multiply
    13,095,662.40x = 19,643,493.60 × 12,591,777.60
  4. Step 4: Simplify right side
    13,095,662.40x = 247,346,502,698,223.38
  5. Step 5: Solve for x
    x = 247,346,502,698,223.38/13,095,662.40
  6. Step 6: Final answer
    x = 18,887,666.40

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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.