Home / 6,657,980.49-9,188,016.71-4,621,970.97

Finding the Fourth Proportional to 6,657,980.49, 9,188,016.71 and 4,621,970.97

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Solution

The fourth proportional to 6,657,980.49, 9,188,016.71 and 4,621,970.97 is: 6,378,322.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,657,980.49 : 9,188,016.71 = 4,621,970.97 : x
  2. Step 2: Convert to fraction form
    6,657,980.49/9,188,016.71 = 4,621,970.97/x
  3. Step 3: Cross multiply
    6,657,980.49x = 9,188,016.71 × 4,621,970.97
  4. Step 4: Simplify right side
    6,657,980.49x = 42,466,746,482,385.05
  5. Step 5: Solve for x
    x = 42,466,746,482,385.05/6,657,980.49
  6. Step 6: Final answer
    x = 6,378,322.46

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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.