Home / 21,136,773.86-29,168,253.50-12,435,506.40

Finding the Fourth Proportional to 21,136,773.86, 29,168,253.50 and 12,435,506.40

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Solution

The fourth proportional to 21,136,773.86, 29,168,253.50 and 12,435,506.40 is: 17,160,707.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,136,773.86 : 29,168,253.50 = 12,435,506.40 : x
  2. Step 2: Convert to fraction form
    21,136,773.86/29,168,253.50 = 12,435,506.40/x
  3. Step 3: Cross multiply
    21,136,773.86x = 29,168,253.50 × 12,435,506.40
  4. Step 4: Simplify right side
    21,136,773.86x = 362,722,003,076,072.44
  5. Step 5: Solve for x
    x = 362,722,003,076,072.44/21,136,773.86
  6. Step 6: Final answer
    x = 17,160,707.94

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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.