Home / 20,000,789.76-27,601,090.80-10,833,432.50

Finding the Fourth Proportional to 20,000,789.76, 27,601,090.80 and 10,833,432.50

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Solution

The fourth proportional to 20,000,789.76, 27,601,090.80 and 10,833,432.50 is: 14,950,137.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,000,789.76 : 27,601,090.80 = 10,833,432.50 : x
  2. Step 2: Convert to fraction form
    20,000,789.76/27,601,090.80 = 10,833,432.50/x
  3. Step 3: Cross multiply
    20,000,789.76x = 27,601,090.80 × 10,833,432.50
  4. Step 4: Simplify right side
    20,000,789.76x = 299,014,554,108,171
  5. Step 5: Solve for x
    x = 299,014,554,108,171/20,000,789.76
  6. Step 6: Final answer
    x = 14,950,137.35

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1.5x scale

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.