Home / 19,173,664.70-28,776,826.65-7,822,259.90

Finding the Fourth Proportional to 19,173,664.70, 28,776,826.65 and 7,822,259.90

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Solution

The fourth proportional to 19,173,664.70, 28,776,826.65 and 7,822,259.90 is: 11,740,051.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,173,664.70 : 28,776,826.65 = 7,822,259.90 : x
  2. Step 2: Convert to fraction form
    19,173,664.70/28,776,826.65 = 7,822,259.90/x
  3. Step 3: Cross multiply
    19,173,664.70x = 28,776,826.65 × 7,822,259.90
  4. Step 4: Simplify right side
    19,173,664.70x = 225,099,817,153,546.34
  5. Step 5: Solve for x
    x = 225,099,817,153,546.34/19,173,664.70
  6. Step 6: Final answer
    x = 11,740,051.82

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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.