Home / 13,013,464.06-17,958,582.06-7,212,620.30

Finding the Fourth Proportional to 13,013,464.06, 17,958,582.06 and 7,212,620.30

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Solution

The fourth proportional to 13,013,464.06, 17,958,582.06 and 7,212,620.30 is: 9,953,416.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013,464.06 : 17,958,582.06 = 7,212,620.30 : x
  2. Step 2: Convert to fraction form
    13,013,464.06/17,958,582.06 = 7,212,620.30/x
  3. Step 3: Cross multiply
    13,013,464.06x = 17,958,582.06 × 7,212,620.30
  4. Step 4: Simplify right side
    13,013,464.06x = 129,528,433,525,171.81
  5. Step 5: Solve for x
    x = 129,528,433,525,171.81/13,013,464.06
  6. Step 6: Final answer
    x = 9,953,416.93

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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.