Home / 25,581,811.72-35,302,827.98-13,979,448.68

Finding the Fourth Proportional to 25,581,811.72, 35,302,827.98 and 13,979,448.68

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Solution

The fourth proportional to 25,581,811.72, 35,302,827.98 and 13,979,448.68 is: 19,291,599.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,581,811.72 : 35,302,827.98 = 13,979,448.68 : x
  2. Step 2: Convert to fraction form
    25,581,811.72/35,302,827.98 = 13,979,448.68/x
  3. Step 3: Cross multiply
    25,581,811.72x = 35,302,827.98 × 13,979,448.68
  4. Step 4: Simplify right side
    25,581,811.72x = 493,514,072,005,278
  5. Step 5: Solve for x
    x = 493,514,072,005,278/25,581,811.72
  6. Step 6: Final answer
    x = 19,291,599.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.