Home / 18,749,148.03-28,077,859.85-16,931,620.35

Finding the Fourth Proportional to 18,749,148.03, 28,077,859.85 and 16,931,620.35

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Solution

The fourth proportional to 18,749,148.03, 28,077,859.85 and 16,931,620.35 is: 25,356,014.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,749,148.03 : 28,077,859.85 = 16,931,620.35 : x
  2. Step 2: Convert to fraction form
    18,749,148.03/28,077,859.85 = 16,931,620.35/x
  3. Step 3: Cross multiply
    18,749,148.03x = 28,077,859.85 × 16,931,620.35
  4. Step 4: Simplify right side
    18,749,148.03x = 475,403,663,136,049.88
  5. Step 5: Solve for x
    x = 475,403,663,136,049.88/18,749,148.03
  6. Step 6: Final answer
    x = 25,356,014.17

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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.