Home / 15,323,089.90-21,133,906.28-9,816,976.60

Finding the Fourth Proportional to 15,323,089.90, 21,133,906.28 and 9,816,976.60

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Solution

The fourth proportional to 15,323,089.90, 21,133,906.28 and 9,816,976.60 is: 13,539,766.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,323,089.90 : 21,133,906.28 = 9,816,976.60 : x
  2. Step 2: Convert to fraction form
    15,323,089.90/21,133,906.28 = 9,816,976.60/x
  3. Step 3: Cross multiply
    15,323,089.90x = 21,133,906.28 × 9,816,976.60
  4. Step 4: Simplify right side
    15,323,089.90x = 207,471,063,417,353.06
  5. Step 5: Solve for x
    x = 207,471,063,417,353.06/15,323,089.90
  6. Step 6: Final answer
    x = 13,539,766.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.