Home / 14,443,727.36-19,920,720.88-12,697,663.52

Finding the Fourth Proportional to 14,443,727.36, 19,920,720.88 and 12,697,663.52

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Solution

The fourth proportional to 14,443,727.36, 19,920,720.88 and 12,697,663.52 is: 17,512,557.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,443,727.36 : 19,920,720.88 = 12,697,663.52 : x
  2. Step 2: Convert to fraction form
    14,443,727.36/19,920,720.88 = 12,697,663.52/x
  3. Step 3: Cross multiply
    14,443,727.36x = 19,920,720.88 × 12,697,663.52
  4. Step 4: Simplify right side
    14,443,727.36x = 252,946,610,810,078.28
  5. Step 5: Solve for x
    x = 252,946,610,810,078.28/14,443,727.36
  6. Step 6: Final answer
    x = 17,512,557.84

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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.