Home / 15,401,386.41-21,254,163.89-8,431,946.34

Finding the Fourth Proportional to 15,401,386.41, 21,254,163.89 and 8,431,946.34

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Solution

The fourth proportional to 15,401,386.41, 21,254,163.89 and 8,431,946.34 is: 11,636,223.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401,386.41 : 21,254,163.89 = 8,431,946.34 : x
  2. Step 2: Convert to fraction form
    15,401,386.41/21,254,163.89 = 8,431,946.34/x
  3. Step 3: Cross multiply
    15,401,386.41x = 21,254,163.89 × 8,431,946.34
  4. Step 4: Simplify right side
    15,401,386.41x = 179,213,969,358,370.34
  5. Step 5: Solve for x
    x = 179,213,969,358,370.34/15,401,386.41
  6. Step 6: Final answer
    x = 11,636,223.17

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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.