Home / 21,708,006.40-32,562,009.60-8,921,929.60

Finding the Fourth Proportional to 21,708,006.40, 32,562,009.60 and 8,921,929.60

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Solution

The fourth proportional to 21,708,006.40, 32,562,009.60 and 8,921,929.60 is: 13,382,894.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,708,006.40 : 32,562,009.60 = 8,921,929.60 : x
  2. Step 2: Convert to fraction form
    21,708,006.40/32,562,009.60 = 8,921,929.60/x
  3. Step 3: Cross multiply
    21,708,006.40x = 32,562,009.60 × 8,921,929.60
  4. Step 4: Simplify right side
    21,708,006.40x = 290,515,957,285,724.19
  5. Step 5: Solve for x
    x = 290,515,957,285,724.19/21,708,006.40
  6. Step 6: Final answer
    x = 13,382,894.40

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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.