Home / 28,996,887.70-43,495,331.55-19,441,738.90

Finding the Fourth Proportional to 28,996,887.70, 43,495,331.55 and 19,441,738.90

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Solution

The fourth proportional to 28,996,887.70, 43,495,331.55 and 19,441,738.90 is: 29,162,608.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,996,887.70 : 43,495,331.55 = 19,441,738.90 : x
  2. Step 2: Convert to fraction form
    28,996,887.70/43,495,331.55 = 19,441,738.90/x
  3. Step 3: Cross multiply
    28,996,887.70x = 43,495,331.55 × 19,441,738.90
  4. Step 4: Simplify right side
    28,996,887.70x = 845,624,879,364,032.12
  5. Step 5: Solve for x
    x = 845,624,879,364,032.12/28,996,887.70
  6. Step 6: Final answer
    x = 29,162,608.35

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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.