Home / 14,677,780.80-21,945,812.40-10,851,405.60

Finding the Fourth Proportional to 14,677,780.80, 21,945,812.40 and 10,851,405.60

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Solution

The fourth proportional to 14,677,780.80, 21,945,812.40 and 10,851,405.60 is: 16,224,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,677,780.80 : 21,945,812.40 = 10,851,405.60 : x
  2. Step 2: Convert to fraction form
    14,677,780.80/21,945,812.40 = 10,851,405.60/x
  3. Step 3: Cross multiply
    14,677,780.80x = 21,945,812.40 × 10,851,405.60
  4. Step 4: Simplify right side
    14,677,780.80x = 238,142,911,573,909.41
  5. Step 5: Solve for x
    x = 238,142,911,573,909.41/14,677,780.80
  6. Step 6: Final answer
    x = 16,224,721.90

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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.