Home / 15,071,536-20,799,266.88-8,634,252.16

Finding the Fourth Proportional to 15,071,536, 20,799,266.88 and 8,634,252.16

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Solution

The fourth proportional to 15,071,536, 20,799,266.88 and 8,634,252.16 is: 11,915,581.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,071,536 : 20,799,266.88 = 8,634,252.16 : x
  2. Step 2: Convert to fraction form
    15,071,536/20,799,266.88 = 8,634,252.16/x
  3. Step 3: Cross multiply
    15,071,536x = 20,799,266.88 × 8,634,252.16
  4. Step 4: Simplify right side
    15,071,536x = 179,586,114,985,056.47
  5. Step 5: Solve for x
    x = 179,586,114,985,056.47/15,071,536
  6. Step 6: Final answer
    x = 11,915,581.46

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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.