Home / 21,968,057.20-32,952,085.80-20,475,065.20

Finding the Fourth Proportional to 21,968,057.20, 32,952,085.80 and 20,475,065.20

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Solution

The fourth proportional to 21,968,057.20, 32,952,085.80 and 20,475,065.20 is: 30,712,597.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,968,057.20 : 32,952,085.80 = 20,475,065.20 : x
  2. Step 2: Convert to fraction form
    21,968,057.20/32,952,085.80 = 20,475,065.20/x
  3. Step 3: Cross multiply
    21,968,057.20x = 32,952,085.80 × 20,475,065.20
  4. Step 4: Simplify right side
    21,968,057.20x = 674,696,105,230,994.12
  5. Step 5: Solve for x
    x = 674,696,105,230,994.12/21,968,057.20
  6. Step 6: Final answer
    x = 30,712,597.80

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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.