Home / 20,112,989.70-30,169,484.55-7,333,911.30

Finding the Fourth Proportional to 20,112,989.70, 30,169,484.55 and 7,333,911.30

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Solution

The fourth proportional to 20,112,989.70, 30,169,484.55 and 7,333,911.30 is: 11,000,866.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,112,989.70 : 30,169,484.55 = 7,333,911.30 : x
  2. Step 2: Convert to fraction form
    20,112,989.70/30,169,484.55 = 7,333,911.30/x
  3. Step 3: Cross multiply
    20,112,989.70x = 30,169,484.55 × 7,333,911.30
  4. Step 4: Simplify right side
    20,112,989.70x = 221,260,323,656,420.41
  5. Step 5: Solve for x
    x = 221,260,323,656,420.41/20,112,989.70
  6. Step 6: Final answer
    x = 11,000,866.95

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1.5x scale

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.