Home / 21,286,583.94-29,379,760.11-13,931,702.94

Finding the Fourth Proportional to 21,286,583.94, 29,379,760.11 and 13,931,702.94

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Solution

The fourth proportional to 21,286,583.94, 29,379,760.11 and 13,931,702.94 is: 19,228,547.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,286,583.94 : 29,379,760.11 = 13,931,702.94 : x
  2. Step 2: Convert to fraction form
    21,286,583.94/29,379,760.11 = 13,931,702.94/x
  3. Step 3: Cross multiply
    21,286,583.94x = 29,379,760.11 × 13,931,702.94
  4. Step 4: Simplify right side
    21,286,583.94x = 409,310,090,300,981.69
  5. Step 5: Solve for x
    x = 409,310,090,300,981.69/21,286,583.94
  6. Step 6: Final answer
    x = 19,228,547.50

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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.