Home / 15,312,826.24-21,133,189.37-11,438,621.35

Finding the Fourth Proportional to 15,312,826.24, 21,133,189.37 and 11,438,621.35

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Solution

The fourth proportional to 15,312,826.24, 21,133,189.37 and 11,438,621.35 is: 15,786,409.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,312,826.24 : 21,133,189.37 = 11,438,621.35 : x
  2. Step 2: Convert to fraction form
    15,312,826.24/21,133,189.37 = 11,438,621.35/x
  3. Step 3: Cross multiply
    15,312,826.24x = 21,133,189.37 × 11,438,621.35
  4. Step 4: Simplify right side
    15,312,826.24x = 241,734,551,097,038.62
  5. Step 5: Solve for x
    x = 241,734,551,097,038.62/15,312,826.24
  6. Step 6: Final answer
    x = 15,786,409.86

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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.