Home / 13,353,912.09-18,422,547.75-7,844,801.67

Finding the Fourth Proportional to 13,353,912.09, 18,422,547.75 and 7,844,801.67

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Solution

The fourth proportional to 13,353,912.09, 18,422,547.75 and 7,844,801.67 is: 10,822,389.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353,912.09 : 18,422,547.75 = 7,844,801.67 : x
  2. Step 2: Convert to fraction form
    13,353,912.09/18,422,547.75 = 7,844,801.67/x
  3. Step 3: Cross multiply
    13,353,912.09x = 18,422,547.75 × 7,844,801.67
  4. Step 4: Simplify right side
    13,353,912.09x = 144,521,233,354,854.75
  5. Step 5: Solve for x
    x = 144,521,233,354,854.75/13,353,912.09
  6. Step 6: Final answer
    x = 10,822,389.15

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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.