Home / 13,571,681.85-18,722,679.21-12,024,521.55

Finding the Fourth Proportional to 13,571,681.85, 18,722,679.21 and 12,024,521.55

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Solution

The fourth proportional to 13,571,681.85, 18,722,679.21 and 12,024,521.55 is: 16,588,309.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,571,681.85 : 18,722,679.21 = 12,024,521.55 : x
  2. Step 2: Convert to fraction form
    13,571,681.85/18,722,679.21 = 12,024,521.55/x
  3. Step 3: Cross multiply
    13,571,681.85x = 18,722,679.21 × 12,024,521.55
  4. Step 4: Simplify right side
    13,571,681.85x = 225,131,259,634,382
  5. Step 5: Solve for x
    x = 225,131,259,634,382/13,571,681.85
  6. Step 6: Final answer
    x = 16,588,309.55

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Double scale
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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.