Home / 14,009,808.40-21,014,712.60-7,632,516.40

Finding the Fourth Proportional to 14,009,808.40, 21,014,712.60 and 7,632,516.40

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Solution

The fourth proportional to 14,009,808.40, 21,014,712.60 and 7,632,516.40 is: 11,448,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009,808.40 : 21,014,712.60 = 7,632,516.40 : x
  2. Step 2: Convert to fraction form
    14,009,808.40/21,014,712.60 = 7,632,516.40/x
  3. Step 3: Cross multiply
    14,009,808.40x = 21,014,712.60 × 7,632,516.40
  4. Step 4: Simplify right side
    14,009,808.40x = 160,395,138,560,786.66
  5. Step 5: Solve for x
    x = 160,395,138,560,786.66/14,009,808.40
  6. Step 6: Final answer
    x = 11,448,774.60

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1.5x scale

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.