Home / 25,881,621.20-38,822,431.80-19,909,653.20

Finding the Fourth Proportional to 25,881,621.20, 38,822,431.80 and 19,909,653.20

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Solution

The fourth proportional to 25,881,621.20, 38,822,431.80 and 19,909,653.20 is: 29,864,479.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,881,621.20 : 38,822,431.80 = 19,909,653.20 : x
  2. Step 2: Convert to fraction form
    25,881,621.20/38,822,431.80 = 19,909,653.20/x
  3. Step 3: Cross multiply
    25,881,621.20x = 38,822,431.80 × 19,909,653.20
  4. Step 4: Simplify right side
    25,881,621.20x = 772,941,153,518,651.62
  5. Step 5: Solve for x
    x = 772,941,153,518,651.62/25,881,621.20
  6. Step 6: Final answer
    x = 29,864,479.80

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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.