Home / 9,965,041.20-13,751,756.56-5,381,362.40

Finding the Fourth Proportional to 9,965,041.20, 13,751,756.56 and 5,381,362.40

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Solution

The fourth proportional to 9,965,041.20, 13,751,756.56 and 5,381,362.40 is: 7,426,279.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,965,041.20 : 13,751,756.56 = 5,381,362.40 : x
  2. Step 2: Convert to fraction form
    9,965,041.20/13,751,756.56 = 5,381,362.40/x
  3. Step 3: Cross multiply
    9,965,041.20x = 13,751,756.56 × 5,381,362.40
  4. Step 4: Simplify right side
    9,965,041.20x = 74,003,185,685,937.36
  5. Step 5: Solve for x
    x = 74,003,185,685,937.36/9,965,041.20
  6. Step 6: Final answer
    x = 7,426,279.95

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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.