Home / 7,005,420.49-9,667,261.06-4,106,742

Finding the Fourth Proportional to 7,005,420.49, 9,667,261.06 and 4,106,742

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Solution

The fourth proportional to 7,005,420.49, 9,667,261.06 and 4,106,742 is: 5,667,175.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,005,420.49 : 9,667,261.06 = 4,106,742 : x
  2. Step 2: Convert to fraction form
    7,005,420.49/9,667,261.06 = 4,106,742/x
  3. Step 3: Cross multiply
    7,005,420.49x = 9,667,261.06 × 4,106,742
  4. Step 4: Simplify right side
    7,005,420.49x = 39,700,947,020,066.52
  5. Step 5: Solve for x
    x = 39,700,947,020,066.52/7,005,420.49
  6. Step 6: Final answer
    x = 5,667,175.45

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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.