Home / 19,023,322.34-28,535,919.51-7,662,234.98

Finding the Fourth Proportional to 19,023,322.34, 28,535,919.51 and 7,662,234.98

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Solution

The fourth proportional to 19,023,322.34, 28,535,919.51 and 7,662,234.98 is: 11,493,729.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,023,322.34 : 28,535,919.51 = 7,662,234.98 : x
  2. Step 2: Convert to fraction form
    19,023,322.34/28,535,919.51 = 7,662,234.98/x
  3. Step 3: Cross multiply
    19,023,322.34x = 28,535,919.51 × 7,662,234.98
  4. Step 4: Simplify right side
    19,023,322.34x = 218,648,920,655,986.50
  5. Step 5: Solve for x
    x = 218,648,920,655,986.50/19,023,322.34
  6. Step 6: Final answer
    x = 11,493,729.47

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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.