Home / 29,011,670.20-43,528,218.90-11,973,820.60

Finding the Fourth Proportional to 29,011,670.20, 43,528,218.90 and 11,973,820.60

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Solution

The fourth proportional to 29,011,670.20, 43,528,218.90 and 11,973,820.60 is: 17,965,152.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,011,670.20 : 43,528,218.90 = 11,973,820.60 : x
  2. Step 2: Convert to fraction form
    29,011,670.20/43,528,218.90 = 11,973,820.60/x
  3. Step 3: Cross multiply
    29,011,670.20x = 43,528,218.90 × 11,973,820.60
  4. Step 4: Simplify right side
    29,011,670.20x = 521,199,084,146,129.31
  5. Step 5: Solve for x
    x = 521,199,084,146,129.31/29,011,670.20
  6. Step 6: Final answer
    x = 17,965,152.66

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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.