Home / 13,390,094.95-18,231,125.38-13,347,579.67

Finding the Fourth Proportional to 13,390,094.95, 18,231,125.38 and 13,347,579.67

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Solution

The fourth proportional to 13,390,094.95, 18,231,125.38 and 13,347,579.67 is: 18,173,239.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,390,094.95 : 18,231,125.38 = 13,347,579.67 : x
  2. Step 2: Convert to fraction form
    13,390,094.95/18,231,125.38 = 13,347,579.67/x
  3. Step 3: Cross multiply
    13,390,094.95x = 18,231,125.38 × 13,347,579.67
  4. Step 4: Simplify right side
    13,390,094.95x = 243,341,398,483,309
  5. Step 5: Solve for x
    x = 243,341,398,483,309/13,390,094.95
  6. Step 6: Final answer
    x = 18,173,239.20

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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.