Home / 19,069,458.60-28,615,247.10-7,103,404.20

Finding the Fourth Proportional to 19,069,458.60, 28,615,247.10 and 7,103,404.20

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Solution

The fourth proportional to 19,069,458.60, 28,615,247.10 and 7,103,404.20 is: 10,659,225.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,069,458.60 : 28,615,247.10 = 7,103,404.20 : x
  2. Step 2: Convert to fraction form
    19,069,458.60/28,615,247.10 = 7,103,404.20/x
  3. Step 3: Cross multiply
    19,069,458.60x = 28,615,247.10 × 7,103,404.20
  4. Step 4: Simplify right side
    19,069,458.60x = 203,265,666,434,177.84
  5. Step 5: Solve for x
    x = 203,265,666,434,177.84/19,069,458.60
  6. Step 6: Final answer
    x = 10,659,225.87

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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.