Home / 5,152,138.50-7,109,632.81-2,829,021.85

Finding the Fourth Proportional to 5,152,138.50, 7,109,632.81 and 2,829,021.85

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Solution

The fourth proportional to 5,152,138.50, 7,109,632.81 and 2,829,021.85 is: 3,903,875.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152,138.50 : 7,109,632.81 = 2,829,021.85 : x
  2. Step 2: Convert to fraction form
    5,152,138.50/7,109,632.81 = 2,829,021.85/x
  3. Step 3: Cross multiply
    5,152,138.50x = 7,109,632.81 × 2,829,021.85
  4. Step 4: Simplify right side
    5,152,138.50x = 20,113,306,564,966.90
  5. Step 5: Solve for x
    x = 20,113,306,564,966.90/5,152,138.50
  6. Step 6: Final answer
    x = 3,903,875.36

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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.