Home / 13,475,285.08-20,223,409.32-9,405,332.76

Finding the Fourth Proportional to 13,475,285.08, 20,223,409.32 and 9,405,332.76

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Solution

The fourth proportional to 13,475,285.08, 20,223,409.32 and 9,405,332.76 is: 14,115,315.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475,285.08 : 20,223,409.32 = 9,405,332.76 : x
  2. Step 2: Convert to fraction form
    13,475,285.08/20,223,409.32 = 9,405,332.76/x
  3. Step 3: Cross multiply
    13,475,285.08x = 20,223,409.32 × 9,405,332.76
  4. Step 4: Simplify right side
    13,475,285.08x = 190,207,894,196,285.31
  5. Step 5: Solve for x
    x = 190,207,894,196,285.31/13,475,285.08
  6. Step 6: Final answer
    x = 14,115,315.04

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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.