Home / 13,269,189.16-19,896,648.44-7,806,172.51

Finding the Fourth Proportional to 13,269,189.16, 19,896,648.44 and 7,806,172.51

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Solution

The fourth proportional to 13,269,189.16, 19,896,648.44 and 7,806,172.51 is: 11,705,061.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269,189.16 : 19,896,648.44 = 7,806,172.51 : x
  2. Step 2: Convert to fraction form
    13,269,189.16/19,896,648.44 = 7,806,172.51/x
  3. Step 3: Cross multiply
    13,269,189.16x = 19,896,648.44 × 7,806,172.51
  4. Step 4: Simplify right side
    13,269,189.16x = 155,316,670,063,236.19
  5. Step 5: Solve for x
    x = 155,316,670,063,236.19/13,269,189.16
  6. Step 6: Final answer
    x = 11,705,061.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.