Home / 14,078,415.48-21,120,733.62-5,102,734.20

Finding the Fourth Proportional to 14,078,415.48, 21,120,733.62 and 5,102,734.20

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Solution

The fourth proportional to 14,078,415.48, 21,120,733.62 and 5,102,734.20 is: 7,655,228.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,078,415.48 : 21,120,733.62 = 5,102,734.20 : x
  2. Step 2: Convert to fraction form
    14,078,415.48/21,120,733.62 = 5,102,734.20/x
  3. Step 3: Cross multiply
    14,078,415.48x = 21,120,733.62 × 5,102,734.20
  4. Step 4: Simplify right side
    14,078,415.48x = 107,773,489,771,863.81
  5. Step 5: Solve for x
    x = 107,773,489,771,863.81/14,078,415.48
  6. Step 6: Final answer
    x = 7,655,228.67

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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.