Home / 13,261,302.72-18,300,571.44-7,460,088.96

Finding the Fourth Proportional to 13,261,302.72, 18,300,571.44 and 7,460,088.96

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Solution

The fourth proportional to 13,261,302.72, 18,300,571.44 and 7,460,088.96 is: 10,294,907.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261,302.72 : 18,300,571.44 = 7,460,088.96 : x
  2. Step 2: Convert to fraction form
    13,261,302.72/18,300,571.44 = 7,460,088.96/x
  3. Step 3: Cross multiply
    13,261,302.72x = 18,300,571.44 × 7,460,088.96
  4. Step 4: Simplify right side
    13,261,302.72x = 136,523,890,961,235.31
  5. Step 5: Solve for x
    x = 136,523,890,961,235.31/13,261,302.72
  6. Step 6: Final answer
    x = 10,294,907.96

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1.5x scale

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.