Home / 18,756,219.21-28,130,392.22-5,289,897.93

Finding the Fourth Proportional to 18,756,219.21, 28,130,392.22 and 5,289,897.93

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Solution

The fourth proportional to 18,756,219.21, 28,130,392.22 and 5,289,897.93 is: 7,933,736.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,756,219.21 : 28,130,392.22 = 5,289,897.93 : x
  2. Step 2: Convert to fraction form
    18,756,219.21/28,130,392.22 = 5,289,897.93/x
  3. Step 3: Cross multiply
    18,756,219.21x = 28,130,392.22 × 5,289,897.93
  4. Step 4: Simplify right side
    18,756,219.21x = 148,806,903,548,216.59
  5. Step 5: Solve for x
    x = 148,806,903,548,216.59/18,756,219.21
  6. Step 6: Final answer
    x = 7,933,736.64

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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.