Home / 14,366,136.25-19,825,689.13-7,840,185.31

Finding the Fourth Proportional to 14,366,136.25, 19,825,689.13 and 7,840,185.31

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Solution

The fourth proportional to 14,366,136.25, 19,825,689.13 and 7,840,185.31 is: 10,819,685.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,366,136.25 : 19,825,689.13 = 7,840,185.31 : x
  2. Step 2: Convert to fraction form
    14,366,136.25/19,825,689.13 = 7,840,185.31/x
  3. Step 3: Cross multiply
    14,366,136.25x = 19,825,689.13 × 7,840,185.31
  4. Step 4: Simplify right side
    14,366,136.25x = 155,437,076,539,323.31
  5. Step 5: Solve for x
    x = 155,437,076,539,323.31/14,366,136.25
  6. Step 6: Final answer
    x = 10,819,685.53

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1.5x scale

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.