Home / 13,337,043.95-18,405,139.32-7,225,472.45

Finding the Fourth Proportional to 13,337,043.95, 18,405,139.32 and 7,225,472.45

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Solution

The fourth proportional to 13,337,043.95, 18,405,139.32 and 7,225,472.45 is: 9,971,162.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337,043.95 : 18,405,139.32 = 7,225,472.45 : x
  2. Step 2: Convert to fraction form
    13,337,043.95/18,405,139.32 = 7,225,472.45/x
  3. Step 3: Cross multiply
    13,337,043.95x = 18,405,139.32 × 7,225,472.45
  4. Step 4: Simplify right side
    13,337,043.95x = 132,985,827,003,046.05
  5. Step 5: Solve for x
    x = 132,985,827,003,046.05/13,337,043.95
  6. Step 6: Final answer
    x = 9,971,162.09

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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.