Home / 13,031,277.89-17,983,166.21-7,230,045.79

Finding the Fourth Proportional to 13,031,277.89, 17,983,166.21 and 7,230,045.79

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Solution

The fourth proportional to 13,031,277.89, 17,983,166.21 and 7,230,045.79 is: 9,977,464.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031,277.89 : 17,983,166.21 = 7,230,045.79 : x
  2. Step 2: Convert to fraction form
    13,031,277.89/17,983,166.21 = 7,230,045.79/x
  3. Step 3: Cross multiply
    13,031,277.89x = 17,983,166.21 × 7,230,045.79
  4. Step 4: Simplify right side
    13,031,277.89x = 130,019,115,095,222.03
  5. Step 5: Solve for x
    x = 130,019,115,095,222.03/13,031,277.89
  6. Step 6: Final answer
    x = 9,977,464.70

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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.