Home / 13,507,437.93-20,269,226.33-12,408,497.16

Finding the Fourth Proportional to 13,507,437.93, 20,269,226.33 and 12,408,497.16

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Solution

The fourth proportional to 13,507,437.93, 20,269,226.33 and 12,408,497.16 is: 18,620,158.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,507,437.93 : 20,269,226.33 = 12,408,497.16 : x
  2. Step 2: Convert to fraction form
    13,507,437.93/20,269,226.33 = 12,408,497.16/x
  3. Step 3: Cross multiply
    13,507,437.93x = 20,269,226.33 × 12,408,497.16
  4. Step 4: Simplify right side
    13,507,437.93x = 251,510,637,373,696.41
  5. Step 5: Solve for x
    x = 251,510,637,373,696.41/13,507,437.93
  6. Step 6: Final answer
    x = 18,620,158.66

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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.