Home / 18,750,686.70-28,266,570.29-17,500,762.44

Finding the Fourth Proportional to 18,750,686.70, 28,266,570.29 and 17,500,762.44

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Solution

The fourth proportional to 18,750,686.70, 28,266,570.29 and 17,500,762.44 is: 26,382,315.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,750,686.70 : 28,266,570.29 = 17,500,762.44 : x
  2. Step 2: Convert to fraction form
    18,750,686.70/28,266,570.29 = 17,500,762.44/x
  3. Step 3: Cross multiply
    18,750,686.70x = 28,266,570.29 × 17,500,762.44
  4. Step 4: Simplify right side
    18,750,686.70x = 494,686,531,638,851.94
  5. Step 5: Solve for x
    x = 494,686,531,638,851.94/18,750,686.70
  6. Step 6: Final answer
    x = 26,382,315.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.