Home / 10,002,077.56-13,802,853.42-5,418,417.40

Finding the Fourth Proportional to 10,002,077.56, 13,802,853.42 and 5,418,417.40

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Solution

The fourth proportional to 10,002,077.56, 13,802,853.42 and 5,418,417.40 is: 7,477,408.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,002,077.56 : 13,802,853.42 = 5,418,417.40 : x
  2. Step 2: Convert to fraction form
    10,002,077.56/13,802,853.42 = 5,418,417.40/x
  3. Step 3: Cross multiply
    10,002,077.56x = 13,802,853.42 × 5,418,417.40
  4. Step 4: Simplify right side
    10,002,077.56x = 74,789,621,140,577.52
  5. Step 5: Solve for x
    x = 74,789,621,140,577.52/10,002,077.56
  6. Step 6: Final answer
    x = 7,477,408.64

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1.5x scale

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.