Home / 13,884,904.40-20,827,356.60-7,166,440.40

Finding the Fourth Proportional to 13,884,904.40, 20,827,356.60 and 7,166,440.40

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Solution

The fourth proportional to 13,884,904.40, 20,827,356.60 and 7,166,440.40 is: 10,749,660.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,884,904.40 : 20,827,356.60 = 7,166,440.40 : x
  2. Step 2: Convert to fraction form
    13,884,904.40/20,827,356.60 = 7,166,440.40/x
  3. Step 3: Cross multiply
    13,884,904.40x = 20,827,356.60 × 7,166,440.40
  4. Step 4: Simplify right side
    13,884,904.40x = 149,258,009,763,446.66
  5. Step 5: Solve for x
    x = 149,258,009,763,446.66/13,884,904.40
  6. Step 6: Final answer
    x = 10,749,660.60

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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.