Home / 13,284,043.20-19,926,064.80-12,087,316.80

Finding the Fourth Proportional to 13,284,043.20, 19,926,064.80 and 12,087,316.80

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Solution

The fourth proportional to 13,284,043.20, 19,926,064.80 and 12,087,316.80 is: 18,130,975.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284,043.20 : 19,926,064.80 = 12,087,316.80 : x
  2. Step 2: Convert to fraction form
    13,284,043.20/19,926,064.80 = 12,087,316.80/x
  3. Step 3: Cross multiply
    13,284,043.20x = 19,926,064.80 × 12,087,316.80
  4. Step 4: Simplify right side
    13,284,043.20x = 240,852,657,814,928.66
  5. Step 5: Solve for x
    x = 240,852,657,814,928.66/13,284,043.20
  6. Step 6: Final answer
    x = 18,130,975.20

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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.