Home / 20,501,572.88-30,752,657.40-5,355,506

Finding the Fourth Proportional to 20,501,572.88, 30,752,657.40 and 5,355,506

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Solution

The fourth proportional to 20,501,572.88, 30,752,657.40 and 5,355,506 is: 8,033,336.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,501,572.88 : 30,752,657.40 = 5,355,506 : x
  2. Step 2: Convert to fraction form
    20,501,572.88/30,752,657.40 = 5,355,506/x
  3. Step 3: Cross multiply
    20,501,572.88x = 30,752,657.40 × 5,355,506
  4. Step 4: Simplify right side
    20,501,572.88x = 164,696,041,221,644.41
  5. Step 5: Solve for x
    x = 164,696,041,221,644.41/20,501,572.88
  6. Step 6: Final answer
    x = 8,033,336.87

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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.