Home / 21,304,280.71-31,951,782.47-5,741,746.07

Finding the Fourth Proportional to 21,304,280.71, 31,951,782.47 and 5,741,746.07

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Solution

The fourth proportional to 21,304,280.71, 31,951,782.47 and 5,741,746.07 is: 8,611,368.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,304,280.71 : 31,951,782.47 = 5,741,746.07 : x
  2. Step 2: Convert to fraction form
    21,304,280.71/31,951,782.47 = 5,741,746.07/x
  3. Step 3: Cross multiply
    21,304,280.71x = 31,951,782.47 × 5,741,746.07
  4. Step 4: Simplify right side
    21,304,280.71x = 183,459,021,426,617.41
  5. Step 5: Solve for x
    x = 183,459,021,426,617.41/21,304,280.71
  6. Step 6: Final answer
    x = 8,611,368.95

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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.