Home / 31,103,266.72-46,675,710.09-12,907,461.28

Finding the Fourth Proportional to 31,103,266.72, 46,675,710.09 and 12,907,461.28

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Solution

The fourth proportional to 31,103,266.72, 46,675,710.09 and 12,907,461.28 is: 19,369,827.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,103,266.72 : 46,675,710.09 = 12,907,461.28 : x
  2. Step 2: Convert to fraction form
    31,103,266.72/46,675,710.09 = 12,907,461.28/x
  3. Step 3: Cross multiply
    31,103,266.72x = 46,675,710.09 × 12,907,461.28
  4. Step 4: Simplify right side
    31,103,266.72x = 602,464,920,703,180.38
  5. Step 5: Solve for x
    x = 602,464,920,703,180.38/31,103,266.72
  6. Step 6: Final answer
    x = 19,369,827.81

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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.