Home / 53,165,426.85-79,748,131.77-12,775,910.85

Finding the Fourth Proportional to 53,165,426.85, 79,748,131.77 and 12,775,910.85

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Solution

The fourth proportional to 53,165,426.85, 79,748,131.77 and 12,775,910.85 is: 19,163,864.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,165,426.85 : 79,748,131.77 = 12,775,910.85 : x
  2. Step 2: Convert to fraction form
    53,165,426.85/79,748,131.77 = 12,775,910.85/x
  3. Step 3: Cross multiply
    53,165,426.85x = 79,748,131.77 × 12,775,910.85
  4. Step 4: Simplify right side
    53,165,426.85x = 1,018,855,021,947,572.62
  5. Step 5: Solve for x
    x = 1,018,855,021,947,572.62/53,165,426.85
  6. Step 6: Final answer
    x = 19,163,864.23

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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.