Home / 20,156,011.80-30,234,017.70-11,054,592.60

Finding the Fourth Proportional to 20,156,011.80, 30,234,017.70 and 11,054,592.60

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Solution

The fourth proportional to 20,156,011.80, 30,234,017.70 and 11,054,592.60 is: 16,581,888.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,156,011.80 : 30,234,017.70 = 11,054,592.60 : x
  2. Step 2: Convert to fraction form
    20,156,011.80/30,234,017.70 = 11,054,592.60/x
  3. Step 3: Cross multiply
    20,156,011.80x = 30,234,017.70 × 11,054,592.60
  4. Step 4: Simplify right side
    20,156,011.80x = 334,224,748,334,689
  5. Step 5: Solve for x
    x = 334,224,748,334,689/20,156,011.80
  6. Step 6: Final answer
    x = 16,581,888.90

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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.