Home / 15,112,180,535.21-20,861,497,249.96-9,762,349,985.27

Finding the Fourth Proportional to 15,112,180,535.21, 20,861,497,249.96 and 9,762,349,985.27

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Solution

The fourth proportional to 15,112,180,535.21, 20,861,497,249.96 and 9,762,349,985.27 is: 13,476,363,447.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,112,180,535.21 : 20,861,497,249.96 = 9,762,349,985.27 : x
  2. Step 2: Convert to fraction form
    15,112,180,535.21/20,861,497,249.96 = 9,762,349,985.27/x
  3. Step 3: Cross multiply
    15,112,180,535.21x = 20,861,497,249.96 × 9,762,349,985.27
  4. Step 4: Simplify right side
    15,112,180,535.21x = 203,657,237,370,857,160,704
  5. Step 5: Solve for x
    x = 203,657,237,370,857,160,704/15,112,180,535.21
  6. Step 6: Final answer
    x = 13,476,363,447.11

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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.