Home / 19,822,041.20-29,733,061.80-7,043,837.60

Finding the Fourth Proportional to 19,822,041.20, 29,733,061.80 and 7,043,837.60

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Solution

The fourth proportional to 19,822,041.20, 29,733,061.80 and 7,043,837.60 is: 10,565,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,822,041.20 : 29,733,061.80 = 7,043,837.60 : x
  2. Step 2: Convert to fraction form
    19,822,041.20/29,733,061.80 = 7,043,837.60/x
  3. Step 3: Cross multiply
    19,822,041.20x = 29,733,061.80 × 7,043,837.60
  4. Step 4: Simplify right side
    19,822,041.20x = 209,434,858,669,963.69
  5. Step 5: Solve for x
    x = 209,434,858,669,963.69/19,822,041.20
  6. Step 6: Final answer
    x = 10,565,756.40

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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.