Home / 21,708,009.40-32,562,014.10-8,921,932.60

Finding the Fourth Proportional to 21,708,009.40, 32,562,014.10 and 8,921,932.60

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Solution

The fourth proportional to 21,708,009.40, 32,562,014.10 and 8,921,932.60 is: 13,382,898.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,708,009.40 : 32,562,014.10 = 8,921,932.60 : x
  2. Step 2: Convert to fraction form
    21,708,009.40/32,562,014.10 = 8,921,932.60/x
  3. Step 3: Cross multiply
    21,708,009.40x = 32,562,014.10 × 8,921,932.60
  4. Step 4: Simplify right side
    21,708,009.40x = 290,516,095,120,449.69
  5. Step 5: Solve for x
    x = 290,516,095,120,449.69/21,708,009.40
  6. Step 6: Final answer
    x = 13,382,898.90

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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.