Home / 25,563,340.20-38,345,010.30-19,852,645.80

Finding the Fourth Proportional to 25,563,340.20, 38,345,010.30 and 19,852,645.80

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Solution

The fourth proportional to 25,563,340.20, 38,345,010.30 and 19,852,645.80 is: 29,778,968.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,563,340.20 : 38,345,010.30 = 19,852,645.80 : x
  2. Step 2: Convert to fraction form
    25,563,340.20/38,345,010.30 = 19,852,645.80/x
  3. Step 3: Cross multiply
    25,563,340.20x = 38,345,010.30 × 19,852,645.80
  4. Step 4: Simplify right side
    25,563,340.20x = 761,249,907,683,251.75
  5. Step 5: Solve for x
    x = 761,249,907,683,251.75/25,563,340.20
  6. Step 6: Final answer
    x = 29,778,968.70

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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.