Home / 19,019,215.80-28,544,570.10-8,799,802.20

Finding the Fourth Proportional to 19,019,215.80, 28,544,570.10 and 8,799,802.20

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Solution

The fourth proportional to 19,019,215.80, 28,544,570.10 and 8,799,802.20 is: 13,206,988.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,019,215.80 : 28,544,570.10 = 8,799,802.20 : x
  2. Step 2: Convert to fraction form
    19,019,215.80/28,544,570.10 = 8,799,802.20/x
  3. Step 3: Cross multiply
    19,019,215.80x = 28,544,570.10 × 8,799,802.20
  4. Step 4: Simplify right side
    19,019,215.80x = 251,186,570,764,034.22
  5. Step 5: Solve for x
    x = 251,186,570,764,034.22/19,019,215.80
  6. Step 6: Final answer
    x = 13,206,988.84

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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.