Home / 21,344,218.74-29,455,015.65-11,554,655.67

Finding the Fourth Proportional to 21,344,218.74, 29,455,015.65 and 11,554,655.67

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Solution

The fourth proportional to 21,344,218.74, 29,455,015.65 and 11,554,655.67 is: 15,945,421.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,344,218.74 : 29,455,015.65 = 11,554,655.67 : x
  2. Step 2: Convert to fraction form
    21,344,218.74/29,455,015.65 = 11,554,655.67/x
  3. Step 3: Cross multiply
    21,344,218.74x = 29,455,015.65 × 11,554,655.67
  4. Step 4: Simplify right side
    21,344,218.74x = 340,342,563,590,211.19
  5. Step 5: Solve for x
    x = 340,342,563,590,211.19/21,344,218.74
  6. Step 6: Final answer
    x = 15,945,421.46

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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.