Home / 7,774,033.64-10,728,646.98-4,289,355.40

Finding the Fourth Proportional to 7,774,033.64, 10,728,646.98 and 4,289,355.40

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Solution

The fourth proportional to 7,774,033.64, 10,728,646.98 and 4,289,355.40 is: 5,919,575.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,774,033.64 : 10,728,646.98 = 4,289,355.40 : x
  2. Step 2: Convert to fraction form
    7,774,033.64/10,728,646.98 = 4,289,355.40/x
  3. Step 3: Cross multiply
    7,774,033.64x = 10,728,646.98 × 4,289,355.40
  4. Step 4: Simplify right side
    7,774,033.64x = 46,018,979,858,356.70
  5. Step 5: Solve for x
    x = 46,018,979,858,356.70/7,774,033.64
  6. Step 6: Final answer
    x = 5,919,575.60

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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.