Home / 43,508,720.70-65,263,081.05-13,212,647.10

Finding the Fourth Proportional to 43,508,720.70, 65,263,081.05 and 13,212,647.10

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Solution

The fourth proportional to 43,508,720.70, 65,263,081.05 and 13,212,647.10 is: 19,818,970.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,508,720.70 : 65,263,081.05 = 13,212,647.10 : x
  2. Step 2: Convert to fraction form
    43,508,720.70/65,263,081.05 = 13,212,647.10/x
  3. Step 3: Cross multiply
    43,508,720.70x = 65,263,081.05 × 13,212,647.10
  4. Step 4: Simplify right side
    43,508,720.70x = 862,298,058,572,347.38
  5. Step 5: Solve for x
    x = 862,298,058,572,347.38/43,508,720.70
  6. Step 6: Final answer
    x = 19,818,970.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.