Home / 53,024,040.72-79,510,931.64-18,468,390.96

Finding the Fourth Proportional to 53,024,040.72, 79,510,931.64 and 18,468,390.96

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Solution

The fourth proportional to 53,024,040.72, 79,510,931.64 and 18,468,390.96 is: 27,693,833.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,024,040.72 : 79,510,931.64 = 18,468,390.96 : x
  2. Step 2: Convert to fraction form
    53,024,040.72/79,510,931.64 = 18,468,390.96/x
  3. Step 3: Cross multiply
    53,024,040.72x = 79,510,931.64 × 18,468,390.96
  4. Step 4: Simplify right side
    53,024,040.72x = 1,468,438,971,121,354
  5. Step 5: Solve for x
    x = 1,468,438,971,121,354/53,024,040.72
  6. Step 6: Final answer
    x = 27,693,833.80

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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.