Home / 21,946,744.64-32,970,712.80-21,039,767.36

Finding the Fourth Proportional to 21,946,744.64, 32,970,712.80 and 21,039,767.36

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Solution

The fourth proportional to 21,946,744.64, 32,970,712.80 and 21,039,767.36 is: 31,608,155.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,946,744.64 : 32,970,712.80 = 21,039,767.36 : x
  2. Step 2: Convert to fraction form
    21,946,744.64/32,970,712.80 = 21,039,767.36/x
  3. Step 3: Cross multiply
    21,946,744.64x = 32,970,712.80 × 21,039,767.36
  4. Step 4: Simplify right side
    21,946,744.64x = 693,696,127,005,374.25
  5. Step 5: Solve for x
    x = 693,696,127,005,374.25/21,946,744.64
  6. Step 6: Final answer
    x = 31,608,155.94

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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.