Home / 13,390,093.95-18,231,124.02-13,347,578.67

Finding the Fourth Proportional to 13,390,093.95, 18,231,124.02 and 13,347,578.67

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Solution

The fourth proportional to 13,390,093.95, 18,231,124.02 and 13,347,578.67 is: 18,173,237.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,390,093.95 : 18,231,124.02 = 13,347,578.67 : x
  2. Step 2: Convert to fraction form
    13,390,093.95/18,231,124.02 = 13,347,578.67/x
  3. Step 3: Cross multiply
    13,390,093.95x = 18,231,124.02 × 13,347,578.67
  4. Step 4: Simplify right side
    13,390,093.95x = 243,341,362,099,476.66
  5. Step 5: Solve for x
    x = 243,341,362,099,476.66/13,390,093.95
  6. Step 6: Final answer
    x = 18,173,237.84

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.