Home / 25,203,322.48-37,749,678-20,835,874.48

Finding the Fourth Proportional to 25,203,322.48, 37,749,678 and 20,835,874.48

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Solution

The fourth proportional to 25,203,322.48, 37,749,678 and 20,835,874.48 is: 31,208,089.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,203,322.48 : 37,749,678 = 20,835,874.48 : x
  2. Step 2: Convert to fraction form
    25,203,322.48/37,749,678 = 20,835,874.48/x
  3. Step 3: Cross multiply
    25,203,322.48x = 37,749,678 × 20,835,874.48
  4. Step 4: Simplify right side
    25,203,322.48x = 786,547,552,468,417.50
  5. Step 5: Solve for x
    x = 786,547,552,468,417.50/25,203,322.48
  6. Step 6: Final answer
    x = 31,208,089.85

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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.