Home / 7,433,138.40-11,142,176.40-5,037,223.20

Finding the Fourth Proportional to 7,433,138.40, 11,142,176.40 and 5,037,223.20

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Solution

The fourth proportional to 7,433,138.40, 11,142,176.40 and 5,037,223.20 is: 7,550,731.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,433,138.40 : 11,142,176.40 = 5,037,223.20 : x
  2. Step 2: Convert to fraction form
    7,433,138.40/11,142,176.40 = 5,037,223.20/x
  3. Step 3: Cross multiply
    7,433,138.40x = 11,142,176.40 × 5,037,223.20
  4. Step 4: Simplify right side
    7,433,138.40x = 56,125,629,460,572.48
  5. Step 5: Solve for x
    x = 56,125,629,460,572.48/7,433,138.40
  6. Step 6: Final answer
    x = 7,550,731.12

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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.