Home / 21,507,515.61-29,691,340.74-14,574,817.95

Finding the Fourth Proportional to 21,507,515.61, 29,691,340.74 and 14,574,817.95

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Solution

The fourth proportional to 21,507,515.61, 29,691,340.74 and 14,574,817.95 is: 20,120,682.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,507,515.61 : 29,691,340.74 = 14,574,817.95 : x
  2. Step 2: Convert to fraction form
    21,507,515.61/29,691,340.74 = 14,574,817.95/x
  3. Step 3: Cross multiply
    21,507,515.61x = 29,691,340.74 × 14,574,817.95
  4. Step 4: Simplify right side
    21,507,515.61x = 432,745,885,976,918.25
  5. Step 5: Solve for x
    x = 432,745,885,976,918.25/21,507,515.61
  6. Step 6: Final answer
    x = 20,120,682.18

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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.