Home / 28,085,362.16-38,754,443.40-15,524,720.56

Finding the Fourth Proportional to 28,085,362.16, 38,754,443.40 and 15,524,720.56

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Solution

The fourth proportional to 28,085,362.16, 38,754,443.40 and 15,524,720.56 is: 21,422,259.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,085,362.16 : 38,754,443.40 = 15,524,720.56 : x
  2. Step 2: Convert to fraction form
    28,085,362.16/38,754,443.40 = 15,524,720.56/x
  3. Step 3: Cross multiply
    28,085,362.16x = 38,754,443.40 × 15,524,720.56
  4. Step 4: Simplify right side
    28,085,362.16x = 601,651,904,243,336.25
  5. Step 5: Solve for x
    x = 601,651,904,243,336.25/28,085,362.16
  6. Step 6: Final answer
    x = 21,422,259.07

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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.