Home / 19,288,338.40-28,933,615.74-6,994,978.12

Finding the Fourth Proportional to 19,288,338.40, 28,933,615.74 and 6,994,978.12

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Solution

The fourth proportional to 19,288,338.40, 28,933,615.74 and 6,994,978.12 is: 10,492,869.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288,338.40 : 28,933,615.74 = 6,994,978.12 : x
  2. Step 2: Convert to fraction form
    19,288,338.40/28,933,615.74 = 6,994,978.12/x
  3. Step 3: Cross multiply
    19,288,338.40x = 28,933,615.74 × 6,994,978.12
  4. Step 4: Simplify right side
    19,288,338.40x = 202,390,009,033,787.59
  5. Step 5: Solve for x
    x = 202,390,009,033,787.59/19,288,338.40
  6. Step 6: Final answer
    x = 10,492,869.05

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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.