Home / 14,987,725.04-20,683,561.88-9,185,385.56

Finding the Fourth Proportional to 14,987,725.04, 20,683,561.88 and 9,185,385.56

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Solution

The fourth proportional to 14,987,725.04, 20,683,561.88 and 9,185,385.56 is: 12,676,139.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987,725.04 : 20,683,561.88 = 9,185,385.56 : x
  2. Step 2: Convert to fraction form
    14,987,725.04/20,683,561.88 = 9,185,385.56/x
  3. Step 3: Cross multiply
    14,987,725.04x = 20,683,561.88 × 9,185,385.56
  4. Step 4: Simplify right side
    14,987,725.04x = 189,986,490,621,918.47
  5. Step 5: Solve for x
    x = 189,986,490,621,918.47/14,987,725.04
  6. Step 6: Final answer
    x = 12,676,139.31

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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.