Home / 18,837,918.02-25,988,907.90-10,885,205.54

Finding the Fourth Proportional to 18,837,918.02, 25,988,907.90 and 10,885,205.54

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Solution

The fourth proportional to 18,837,918.02, 25,988,907.90 and 10,885,205.54 is: 15,017,296.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,837,918.02 : 25,988,907.90 = 10,885,205.54 : x
  2. Step 2: Convert to fraction form
    18,837,918.02/25,988,907.90 = 10,885,205.54/x
  3. Step 3: Cross multiply
    18,837,918.02x = 25,988,907.90 × 10,885,205.54
  4. Step 4: Simplify right side
    18,837,918.02x = 282,894,604,121,685.19
  5. Step 5: Solve for x
    x = 282,894,604,121,685.19/18,837,918.02
  6. Step 6: Final answer
    x = 15,017,296.70

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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.