Home / 8,427,564.65-11,628,016.67-5,119,792.76

Finding the Fourth Proportional to 8,427,564.65, 11,628,016.67 and 5,119,792.76

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Solution

The fourth proportional to 8,427,564.65, 11,628,016.67 and 5,119,792.76 is: 7,064,085.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,427,564.65 : 11,628,016.67 = 5,119,792.76 : x
  2. Step 2: Convert to fraction form
    8,427,564.65/11,628,016.67 = 5,119,792.76/x
  3. Step 3: Cross multiply
    8,427,564.65x = 11,628,016.67 × 5,119,792.76
  4. Step 4: Simplify right side
    8,427,564.65x = 59,533,035,476,486.26
  5. Step 5: Solve for x
    x = 59,533,035,476,486.26/8,427,564.65
  6. Step 6: Final answer
    x = 7,064,085.29

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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.