Home / 21,308,724.06-31,963,381.32-6,931,867.20

Finding the Fourth Proportional to 21,308,724.06, 31,963,381.32 and 6,931,867.20

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Solution

The fourth proportional to 21,308,724.06, 31,963,381.32 and 6,931,867.20 is: 10,397,896.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,308,724.06 : 31,963,381.32 = 6,931,867.20 : x
  2. Step 2: Convert to fraction form
    21,308,724.06/31,963,381.32 = 6,931,867.20/x
  3. Step 3: Cross multiply
    21,308,724.06x = 31,963,381.32 × 6,931,867.20
  4. Step 4: Simplify right side
    21,308,724.06x = 221,565,914,573,200.72
  5. Step 5: Solve for x
    x = 221,565,914,573,200.72/21,308,724.06
  6. Step 6: Final answer
    x = 10,397,896.84

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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.