Home / 13,417,071.72-20,109,861.12-7,030,331.88

Finding the Fourth Proportional to 13,417,071.72, 20,109,861.12 and 7,030,331.88

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Solution

The fourth proportional to 13,417,071.72, 20,109,861.12 and 7,030,331.88 is: 10,537,246.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,417,071.72 : 20,109,861.12 = 7,030,331.88 : x
  2. Step 2: Convert to fraction form
    13,417,071.72/20,109,861.12 = 7,030,331.88/x
  3. Step 3: Cross multiply
    13,417,071.72x = 20,109,861.12 × 7,030,331.88
  4. Step 4: Simplify right side
    13,417,071.72x = 141,378,997,734,308.50
  5. Step 5: Solve for x
    x = 141,378,997,734,308.50/13,417,071.72
  6. Step 6: Final answer
    x = 10,537,246.93

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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.