Home / 20,406,685.41-28,160,658.05-11,114,051.67

Finding the Fourth Proportional to 20,406,685.41, 28,160,658.05 and 11,114,051.67

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Solution

The fourth proportional to 20,406,685.41, 28,160,658.05 and 11,114,051.67 is: 15,337,082.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,406,685.41 : 28,160,658.05 = 11,114,051.67 : x
  2. Step 2: Convert to fraction form
    20,406,685.41/28,160,658.05 = 11,114,051.67/x
  3. Step 3: Cross multiply
    20,406,685.41x = 28,160,658.05 × 11,114,051.67
  4. Step 4: Simplify right side
    20,406,685.41x = 312,979,008,573,331.19
  5. Step 5: Solve for x
    x = 312,979,008,573,331.19/20,406,685.41
  6. Step 6: Final answer
    x = 15,337,082.05

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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.