Home / 28,024,331.20-38,666,980.68-17,010,809.80

Finding the Fourth Proportional to 28,024,331.20, 38,666,980.68 and 17,010,809.80

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Solution

The fourth proportional to 28,024,331.20, 38,666,980.68 and 17,010,809.80 is: 23,470,913.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,024,331.20 : 38,666,980.68 = 17,010,809.80 : x
  2. Step 2: Convert to fraction form
    28,024,331.20/38,666,980.68 = 17,010,809.80/x
  3. Step 3: Cross multiply
    28,024,331.20x = 38,666,980.68 × 17,010,809.80
  4. Step 4: Simplify right side
    28,024,331.20x = 657,756,653,887,754.75
  5. Step 5: Solve for x
    x = 657,756,653,887,754.75/28,024,331.20
  6. Step 6: Final answer
    x = 23,470,913.51

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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.