Home / 19,431,389.80-29,147,084.70-5,966,468.20

Finding the Fourth Proportional to 19,431,389.80, 29,147,084.70 and 5,966,468.20

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Solution

The fourth proportional to 19,431,389.80, 29,147,084.70 and 5,966,468.20 is: 8,949,702.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,431,389.80 : 29,147,084.70 = 5,966,468.20 : x
  2. Step 2: Convert to fraction form
    19,431,389.80/29,147,084.70 = 5,966,468.20/x
  3. Step 3: Cross multiply
    19,431,389.80x = 29,147,084.70 × 5,966,468.20
  4. Step 4: Simplify right side
    19,431,389.80x = 173,905,153,985,256.53
  5. Step 5: Solve for x
    x = 173,905,153,985,256.53/19,431,389.80
  6. Step 6: Final answer
    x = 8,949,702.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.