Home / 20,114,588.70-30,171,883.05-7,335,510.30

Finding the Fourth Proportional to 20,114,588.70, 30,171,883.05 and 7,335,510.30

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Solution

The fourth proportional to 20,114,588.70, 30,171,883.05 and 7,335,510.30 is: 11,003,265.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,114,588.70 : 30,171,883.05 = 7,335,510.30 : x
  2. Step 2: Convert to fraction form
    20,114,588.70/30,171,883.05 = 7,335,510.30/x
  3. Step 3: Cross multiply
    20,114,588.70x = 30,171,883.05 × 7,335,510.30
  4. Step 4: Simplify right side
    20,114,588.70x = 221,326,158,883,670.41
  5. Step 5: Solve for x
    x = 221,326,158,883,670.41/20,114,588.70
  6. Step 6: Final answer
    x = 11,003,265.45

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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.