Home / 7,223,366.80-9,961,789.62-4,778,475.76

Finding the Fourth Proportional to 7,223,366.80, 9,961,789.62 and 4,778,475.76

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Solution

The fourth proportional to 7,223,366.80, 9,961,789.62 and 4,778,475.76 is: 6,590,025.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,223,366.80 : 9,961,789.62 = 4,778,475.76 : x
  2. Step 2: Convert to fraction form
    7,223,366.80/9,961,789.62 = 4,778,475.76/x
  3. Step 3: Cross multiply
    7,223,366.80x = 9,961,789.62 × 4,778,475.76
  4. Step 4: Simplify right side
    7,223,366.80x = 47,602,170,225,389.60
  5. Step 5: Solve for x
    x = 47,602,170,225,389.60/7,223,366.80
  6. Step 6: Final answer
    x = 6,590,025.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.