Home / 47,291,215.60-70,936,823.40-13,212,506.80

Finding the Fourth Proportional to 47,291,215.60, 70,936,823.40 and 13,212,506.80

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Solution

The fourth proportional to 47,291,215.60, 70,936,823.40 and 13,212,506.80 is: 19,818,760.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,291,215.60 : 70,936,823.40 = 13,212,506.80 : x
  2. Step 2: Convert to fraction form
    47,291,215.60/70,936,823.40 = 13,212,506.80/x
  3. Step 3: Cross multiply
    47,291,215.60x = 70,936,823.40 × 13,212,506.80
  4. Step 4: Simplify right side
    47,291,215.60x = 937,253,261,542,899.25
  5. Step 5: Solve for x
    x = 937,253,261,542,899.25/47,291,215.60
  6. Step 6: Final answer
    x = 19,818,760.20

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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.