Home / 14,677,785.47-20,254,788.36-8,151,835.11

Finding the Fourth Proportional to 14,677,785.47, 20,254,788.36 and 8,151,835.11

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Solution

The fourth proportional to 14,677,785.47, 20,254,788.36 and 8,151,835.11 is: 11,249,223.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,677,785.47 : 20,254,788.36 = 8,151,835.11 : x
  2. Step 2: Convert to fraction form
    14,677,785.47/20,254,788.36 = 8,151,835.11/x
  3. Step 3: Cross multiply
    14,677,785.47x = 20,254,788.36 × 8,151,835.11
  4. Step 4: Simplify right side
    14,677,785.47x = 165,113,694,898,667.31
  5. Step 5: Solve for x
    x = 165,113,694,898,667.31/14,677,785.47
  6. Step 6: Final answer
    x = 11,249,223.89

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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.