Home / 16,458,492-22,712,953.44-9,489,031.68

Finding the Fourth Proportional to 16,458,492, 22,712,953.44 and 9,489,031.68

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Solution

The fourth proportional to 16,458,492, 22,712,953.44 and 9,489,031.68 is: 13,094,998.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,458,492 : 22,712,953.44 = 9,489,031.68 : x
  2. Step 2: Convert to fraction form
    16,458,492/22,712,953.44 = 9,489,031.68/x
  3. Step 3: Cross multiply
    16,458,492x = 22,712,953.44 × 9,489,031.68
  4. Step 4: Simplify right side
    16,458,492x = 215,523,934,738,525
  5. Step 5: Solve for x
    x = 215,523,934,738,525/16,458,492
  6. Step 6: Final answer
    x = 13,094,998.91

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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.