Home / 19,311,503.20-28,967,254.80-19,012,904.80

Finding the Fourth Proportional to 19,311,503.20, 28,967,254.80 and 19,012,904.80

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Solution

The fourth proportional to 19,311,503.20, 28,967,254.80 and 19,012,904.80 is: 28,519,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,311,503.20 : 28,967,254.80 = 19,012,904.80 : x
  2. Step 2: Convert to fraction form
    19,311,503.20/28,967,254.80 = 19,012,904.80/x
  3. Step 3: Cross multiply
    19,311,503.20x = 28,967,254.80 × 19,012,904.80
  4. Step 4: Simplify right side
    19,311,503.20x = 550,751,657,829,743.06
  5. Step 5: Solve for x
    x = 550,751,657,829,743.06/19,311,503.20
  6. Step 6: Final answer
    x = 28,519,357.20

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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.