Home / 28,996,878.70-43,495,318.05-19,441,729.90

Finding the Fourth Proportional to 28,996,878.70, 43,495,318.05 and 19,441,729.90

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Solution

The fourth proportional to 28,996,878.70, 43,495,318.05 and 19,441,729.90 is: 29,162,594.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,996,878.70 : 43,495,318.05 = 19,441,729.90 : x
  2. Step 2: Convert to fraction form
    28,996,878.70/43,495,318.05 = 19,441,729.90/x
  3. Step 3: Cross multiply
    28,996,878.70x = 43,495,318.05 × 19,441,729.90
  4. Step 4: Simplify right side
    28,996,878.70x = 845,624,225,442,694.62
  5. Step 5: Solve for x
    x = 845,624,225,442,694.62/28,996,878.70
  6. Step 6: Final answer
    x = 29,162,594.85

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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.