Home / 13,432,523.98-18,537,378.78-7,632,288.94

Finding the Fourth Proportional to 13,432,523.98, 18,537,378.78 and 7,632,288.94

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Solution

The fourth proportional to 13,432,523.98, 18,537,378.78 and 7,632,288.94 is: 10,532,840.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432,523.98 : 18,537,378.78 = 7,632,288.94 : x
  2. Step 2: Convert to fraction form
    13,432,523.98/18,537,378.78 = 7,632,288.94/x
  3. Step 3: Cross multiply
    13,432,523.98x = 18,537,378.78 × 7,632,288.94
  4. Step 4: Simplify right side
    13,432,523.98x = 141,482,631,039,184.72
  5. Step 5: Solve for x
    x = 141,482,631,039,184.72/13,432,523.98
  6. Step 6: Final answer
    x = 10,532,840.38

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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.