Home / 21,603,344.59-29,813,133.27-12,310,714.77

Finding the Fourth Proportional to 21,603,344.59, 29,813,133.27 and 12,310,714.77

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Solution

The fourth proportional to 21,603,344.59, 29,813,133.27 and 12,310,714.77 is: 16,989,081.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,603,344.59 : 29,813,133.27 = 12,310,714.77 : x
  2. Step 2: Convert to fraction form
    21,603,344.59/29,813,133.27 = 12,310,714.77/x
  3. Step 3: Cross multiply
    21,603,344.59x = 29,813,133.27 × 12,310,714.77
  4. Step 4: Simplify right side
    21,603,344.59x = 367,020,980,086,967.38
  5. Step 5: Solve for x
    x = 367,020,980,086,967.38/21,603,344.59
  6. Step 6: Final answer
    x = 16,989,081.42

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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.