Home / 15,401,306.93-21,253,971.53-8,525,903.81

Finding the Fourth Proportional to 15,401,306.93, 21,253,971.53 and 8,525,903.81

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Solution

The fourth proportional to 15,401,306.93, 21,253,971.53 and 8,525,903.81 is: 11,765,840.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401,306.93 : 21,253,971.53 = 8,525,903.81 : x
  2. Step 2: Convert to fraction form
    15,401,306.93/21,253,971.53 = 8,525,903.81/x
  3. Step 3: Cross multiply
    15,401,306.93x = 21,253,971.53 × 8,525,903.81
  4. Step 4: Simplify right side
    15,401,306.93x = 181,209,316,802,629
  5. Step 5: Solve for x
    x = 181,209,316,802,629/15,401,306.93
  6. Step 6: Final answer
    x = 11,765,840.24

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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.