Home / 13,706,495.12-20,555,258.32-6,417,698.76

Finding the Fourth Proportional to 13,706,495.12, 20,555,258.32 and 6,417,698.76

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Solution

The fourth proportional to 13,706,495.12, 20,555,258.32 and 6,417,698.76 is: 9,624,448.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,706,495.12 : 20,555,258.32 = 6,417,698.76 : x
  2. Step 2: Convert to fraction form
    13,706,495.12/20,555,258.32 = 6,417,698.76/x
  3. Step 3: Cross multiply
    13,706,495.12x = 20,555,258.32 × 6,417,698.76
  4. Step 4: Simplify right side
    13,706,495.12x = 131,917,455,831,743.69
  5. Step 5: Solve for x
    x = 131,917,455,831,743.69/13,706,495.12
  6. Step 6: Final answer
    x = 9,624,448.46

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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.