Home / 15,401,306.81-21,253,971.35-8,525,903.69

Finding the Fourth Proportional to 15,401,306.81, 21,253,971.35 and 8,525,903.69

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Solution

The fourth proportional to 15,401,306.81, 21,253,971.35 and 8,525,903.69 is: 11,765,840.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401,306.81 : 21,253,971.35 = 8,525,903.69 : x
  2. Step 2: Convert to fraction form
    15,401,306.81/21,253,971.35 = 8,525,903.69/x
  3. Step 3: Cross multiply
    15,401,306.81x = 21,253,971.35 × 8,525,903.69
  4. Step 4: Simplify right side
    15,401,306.81x = 181,209,312,675,164.19
  5. Step 5: Solve for x
    x = 181,209,312,675,164.19/15,401,306.81
  6. Step 6: Final answer
    x = 11,765,840.07

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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.