Home / 28,619,246.02-39,490,972.46-19,346,990.54

Finding the Fourth Proportional to 28,619,246.02, 39,490,972.46 and 19,346,990.54

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Solution

The fourth proportional to 28,619,246.02, 39,490,972.46 and 19,346,990.54 is: 26,696,422.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,619,246.02 : 39,490,972.46 = 19,346,990.54 : x
  2. Step 2: Convert to fraction form
    28,619,246.02/39,490,972.46 = 19,346,990.54/x
  3. Step 3: Cross multiply
    28,619,246.02x = 39,490,972.46 × 19,346,990.54
  4. Step 4: Simplify right side
    28,619,246.02x = 764,031,470,599,020.50
  5. Step 5: Solve for x
    x = 764,031,470,599,020.50/28,619,246.02
  6. Step 6: Final answer
    x = 26,696,422.05

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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.