Home / 7,718,564.16-10,652,272.20-4,281,912

Finding the Fourth Proportional to 7,718,564.16, 10,652,272.20 and 4,281,912

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Solution

The fourth proportional to 7,718,564.16, 10,652,272.20 and 4,281,912 is: 5,909,401.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718,564.16 : 10,652,272.20 = 4,281,912 : x
  2. Step 2: Convert to fraction form
    7,718,564.16/10,652,272.20 = 4,281,912/x
  3. Step 3: Cross multiply
    7,718,564.16x = 10,652,272.20 × 4,281,912
  4. Step 4: Simplify right side
    7,718,564.16x = 45,612,092,160,446.40
  5. Step 5: Solve for x
    x = 45,612,092,160,446.40/7,718,564.16
  6. Step 6: Final answer
    x = 5,909,401.18

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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.