Home / 21,071,151.23-29,083,047.96-13,716,173.64

Finding the Fourth Proportional to 21,071,151.23, 29,083,047.96 and 13,716,173.64

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Solution

The fourth proportional to 21,071,151.23, 29,083,047.96 and 13,716,173.64 is: 18,931,482.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,071,151.23 : 29,083,047.96 = 13,716,173.64 : x
  2. Step 2: Convert to fraction form
    21,071,151.23/29,083,047.96 = 13,716,173.64/x
  3. Step 3: Cross multiply
    21,071,151.23x = 29,083,047.96 × 13,716,173.64
  4. Step 4: Simplify right side
    21,071,151.23x = 398,908,135,731,226.88
  5. Step 5: Solve for x
    x = 398,908,135,731,226.88/21,071,151.23
  6. Step 6: Final answer
    x = 18,931,482.74

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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.