Home / 23,144,445.95-31,938,108.57-13,219,379.78

Finding the Fourth Proportional to 23,144,445.95, 31,938,108.57 and 13,219,379.78

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Solution

The fourth proportional to 23,144,445.95, 31,938,108.57 and 13,219,379.78 is: 18,242,043.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,144,445.95 : 31,938,108.57 = 13,219,379.78 : x
  2. Step 2: Convert to fraction form
    23,144,445.95/31,938,108.57 = 13,219,379.78/x
  3. Step 3: Cross multiply
    23,144,445.95x = 31,938,108.57 × 13,219,379.78
  4. Step 4: Simplify right side
    23,144,445.95x = 422,201,986,482,012.19
  5. Step 5: Solve for x
    x = 422,201,986,482,012.19/23,144,445.95
  6. Step 6: Final answer
    x = 18,242,043.36

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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.