Home / 19,088,390.58-28,628,890.56-7,416,742.14

Finding the Fourth Proportional to 19,088,390.58, 28,628,890.56 and 7,416,742.14

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Solution

The fourth proportional to 19,088,390.58, 28,628,890.56 and 7,416,742.14 is: 11,123,677.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,088,390.58 : 28,628,890.56 = 7,416,742.14 : x
  2. Step 2: Convert to fraction form
    19,088,390.58/28,628,890.56 = 7,416,742.14/x
  3. Step 3: Cross multiply
    19,088,390.58x = 28,628,890.56 × 7,416,742.14
  4. Step 4: Simplify right side
    19,088,390.58x = 212,333,099,037,800.19
  5. Step 5: Solve for x
    x = 212,333,099,037,800.19/19,088,390.58
  6. Step 6: Final answer
    x = 11,123,677.41

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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.