Home / 15,855,152-21,880,131.63-8,611,808

Finding the Fourth Proportional to 15,855,152, 21,880,131.63 and 8,611,808

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Solution

The fourth proportional to 15,855,152, 21,880,131.63 and 8,611,808 is: 11,884,306.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,855,152 : 21,880,131.63 = 8,611,808 : x
  2. Step 2: Convert to fraction form
    15,855,152/21,880,131.63 = 8,611,808/x
  3. Step 3: Cross multiply
    15,855,152x = 21,880,131.63 × 8,611,808
  4. Step 4: Simplify right side
    15,855,152x = 188,427,492,612,287.03
  5. Step 5: Solve for x
    x = 188,427,492,612,287.03/15,855,152
  6. Step 6: Final answer
    x = 11,884,306.92

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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.