Home / 14,677,812.72-20,256,054.48-8,151,472.08

Finding the Fourth Proportional to 14,677,812.72, 20,256,054.48 and 8,151,472.08

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Solution

The fourth proportional to 14,677,812.72, 20,256,054.48 and 8,151,472.08 is: 11,249,405.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,677,812.72 : 20,256,054.48 = 8,151,472.08 : x
  2. Step 2: Convert to fraction form
    14,677,812.72/20,256,054.48 = 8,151,472.08/x
  3. Step 3: Cross multiply
    14,677,812.72x = 20,256,054.48 × 8,151,472.08
  4. Step 4: Simplify right side
    14,677,812.72x = 165,116,662,544,678.94
  5. Step 5: Solve for x
    x = 165,116,662,544,678.94/14,677,812.72
  6. Step 6: Final answer
    x = 11,249,405.19

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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.