Home / 15,743,867.13-21,725,865.36-8,774,173.80

Finding the Fourth Proportional to 15,743,867.13, 21,725,865.36 and 8,774,173.80

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Solution

The fourth proportional to 15,743,867.13, 21,725,865.36 and 8,774,173.80 is: 12,107,985.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,743,867.13 : 21,725,865.36 = 8,774,173.80 : x
  2. Step 2: Convert to fraction form
    15,743,867.13/21,725,865.36 = 8,774,173.80/x
  3. Step 3: Cross multiply
    15,743,867.13x = 21,725,865.36 × 8,774,173.80
  4. Step 4: Simplify right side
    15,743,867.13x = 190,626,518,624,039.59
  5. Step 5: Solve for x
    x = 190,626,518,624,039.59/15,743,867.13
  6. Step 6: Final answer
    x = 12,107,985.74

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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.