Home / 21,812,415.40-32,718,315.90-9,845,132.20

Finding the Fourth Proportional to 21,812,415.40, 32,718,315.90 and 9,845,132.20

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Solution

The fourth proportional to 21,812,415.40, 32,718,315.90 and 9,845,132.20 is: 14,767,559.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,812,415.40 : 32,718,315.90 = 9,845,132.20 : x
  2. Step 2: Convert to fraction form
    21,812,415.40/32,718,315.90 = 9,845,132.20/x
  3. Step 3: Cross multiply
    21,812,415.40x = 32,718,315.90 × 9,845,132.20
  4. Step 4: Simplify right side
    21,812,415.40x = 322,116,145,396,861.94
  5. Step 5: Solve for x
    x = 322,116,145,396,861.94/21,812,415.40
  6. Step 6: Final answer
    x = 14,767,559.64

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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.