Home / 18,528,007.80-27,792,011.70-17,488,745.40

Finding the Fourth Proportional to 18,528,007.80, 27,792,011.70 and 17,488,745.40

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Solution

The fourth proportional to 18,528,007.80, 27,792,011.70 and 17,488,745.40 is: 26,233,118.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528,007.80 : 27,792,011.70 = 17,488,745.40 : x
  2. Step 2: Convert to fraction form
    18,528,007.80/27,792,011.70 = 17,488,745.40/x
  3. Step 3: Cross multiply
    18,528,007.80x = 27,792,011.70 × 17,488,745.40
  4. Step 4: Simplify right side
    18,528,007.80x = 486,047,416,775,121.12
  5. Step 5: Solve for x
    x = 486,047,416,775,121.12/18,528,007.80
  6. Step 6: Final answer
    x = 26,233,118.10

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1.5x scale

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.