Home / 13,288,177.63-18,337,283.59-7,327,581.23

Finding the Fourth Proportional to 13,288,177.63, 18,337,283.59 and 7,327,581.23

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Solution

The fourth proportional to 13,288,177.63, 18,337,283.59 and 7,327,581.23 is: 10,111,840.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288,177.63 : 18,337,283.59 = 7,327,581.23 : x
  2. Step 2: Convert to fraction form
    13,288,177.63/18,337,283.59 = 7,327,581.23/x
  3. Step 3: Cross multiply
    13,288,177.63x = 18,337,283.59 × 7,327,581.23
  4. Step 4: Simplify right side
    13,288,177.63x = 134,367,935,006,633.12
  5. Step 5: Solve for x
    x = 134,367,935,006,633.12/13,288,177.63
  6. Step 6: Final answer
    x = 10,111,840.67

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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.