Home / 14,996,606.32-20,695,336.68-8,121,100.24

Finding the Fourth Proportional to 14,996,606.32, 20,695,336.68 and 8,121,100.24

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Solution

The fourth proportional to 14,996,606.32, 20,695,336.68 and 8,121,100.24 is: 11,207,129.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,996,606.32 : 20,695,336.68 = 8,121,100.24 : x
  2. Step 2: Convert to fraction form
    14,996,606.32/20,695,336.68 = 8,121,100.24/x
  3. Step 3: Cross multiply
    14,996,606.32x = 20,695,336.68 × 8,121,100.24
  4. Step 4: Simplify right side
    14,996,606.32x = 168,068,903,678,828.81
  5. Step 5: Solve for x
    x = 168,068,903,678,828.81/14,996,606.32
  6. Step 6: Final answer
    x = 11,207,129.14

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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.