Home / 22,810,486-31,470,720.60-13,013,892.40

Finding the Fourth Proportional to 22,810,486, 31,470,720.60 and 13,013,892.40

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Solution

The fourth proportional to 22,810,486, 31,470,720.60 and 13,013,892.40 is: 17,954,749.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,810,486 : 31,470,720.60 = 13,013,892.40 : x
  2. Step 2: Convert to fraction form
    22,810,486/31,470,720.60 = 13,013,892.40/x
  3. Step 3: Cross multiply
    22,810,486x = 31,470,720.60 × 13,013,892.40
  4. Step 4: Simplify right side
    22,810,486x = 409,556,571,638,863.50
  5. Step 5: Solve for x
    x = 409,556,571,638,863.50/22,810,486
  6. Step 6: Final answer
    x = 17,954,749.92

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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.