Home / 19,058,387.58-28,592,917.65-7,706,807.82

Finding the Fourth Proportional to 19,058,387.58, 28,592,917.65 and 7,706,807.82

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Solution

The fourth proportional to 19,058,387.58, 28,592,917.65 and 7,706,807.82 is: 11,562,369.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,058,387.58 : 28,592,917.65 = 7,706,807.82 : x
  2. Step 2: Convert to fraction form
    19,058,387.58/28,592,917.65 = 7,706,807.82/x
  3. Step 3: Cross multiply
    19,058,387.58x = 28,592,917.65 × 7,706,807.82
  4. Step 4: Simplify right side
    19,058,387.58x = 220,360,121,341,636.03
  5. Step 5: Solve for x
    x = 220,360,121,341,636.03/19,058,387.58
  6. Step 6: Final answer
    x = 11,562,369.61

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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.