Home / 15,490,953.08-21,377,397.01-8,521,480.56

Finding the Fourth Proportional to 15,490,953.08, 21,377,397.01 and 8,521,480.56

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Solution

The fourth proportional to 15,490,953.08, 21,377,397.01 and 8,521,480.56 is: 11,759,578.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,490,953.08 : 21,377,397.01 = 8,521,480.56 : x
  2. Step 2: Convert to fraction form
    15,490,953.08/21,377,397.01 = 8,521,480.56/x
  3. Step 3: Cross multiply
    15,490,953.08x = 21,377,397.01 × 8,521,480.56
  4. Step 4: Simplify right side
    15,490,953.08x = 182,167,073,094,994.06
  5. Step 5: Solve for x
    x = 182,167,073,094,994.06/15,490,953.08
  6. Step 6: Final answer
    x = 11,759,578.13

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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.