Home / 13,475,444.70-20,214,041.85-7,098,152.70

Finding the Fourth Proportional to 13,475,444.70, 20,214,041.85 and 7,098,152.70

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Solution

The fourth proportional to 13,475,444.70, 20,214,041.85 and 7,098,152.70 is: 10,647,689.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475,444.70 : 20,214,041.85 = 7,098,152.70 : x
  2. Step 2: Convert to fraction form
    13,475,444.70/20,214,041.85 = 7,098,152.70/x
  3. Step 3: Cross multiply
    13,475,444.70x = 20,214,041.85 × 7,098,152.70
  4. Step 4: Simplify right side
    13,475,444.70x = 143,482,355,735,490.50
  5. Step 5: Solve for x
    x = 143,482,355,735,490.50/13,475,444.70
  6. Step 6: Final answer
    x = 10,647,689.85

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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.