Home / 21,493,368.20-32,240,052.30-18,694,008.20

Finding the Fourth Proportional to 21,493,368.20, 32,240,052.30 and 18,694,008.20

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Solution

The fourth proportional to 21,493,368.20, 32,240,052.30 and 18,694,008.20 is: 28,041,012.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,493,368.20 : 32,240,052.30 = 18,694,008.20 : x
  2. Step 2: Convert to fraction form
    21,493,368.20/32,240,052.30 = 18,694,008.20/x
  3. Step 3: Cross multiply
    21,493,368.20x = 32,240,052.30 × 18,694,008.20
  4. Step 4: Simplify right side
    21,493,368.20x = 602,695,802,064,628.88
  5. Step 5: Solve for x
    x = 602,695,802,064,628.88/21,493,368.20
  6. Step 6: Final answer
    x = 28,041,012.30

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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.