Home / 14,446,712.76-19,935,934.24-7,920,199.32

Finding the Fourth Proportional to 14,446,712.76, 19,935,934.24 and 7,920,199.32

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Solution

The fourth proportional to 14,446,712.76, 19,935,934.24 and 7,920,199.32 is: 10,929,584.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,446,712.76 : 19,935,934.24 = 7,920,199.32 : x
  2. Step 2: Convert to fraction form
    14,446,712.76/19,935,934.24 = 7,920,199.32/x
  3. Step 3: Cross multiply
    14,446,712.76x = 19,935,934.24 × 7,920,199.32
  4. Step 4: Simplify right side
    14,446,712.76x = 157,896,572,811,212.72
  5. Step 5: Solve for x
    x = 157,896,572,811,212.72/14,446,712.76
  6. Step 6: Final answer
    x = 10,929,584.84

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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.