Home / 10,783,280.40-16,174,920.60-9,787,952.40

Finding the Fourth Proportional to 10,783,280.40, 16,174,920.60 and 9,787,952.40

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Solution

The fourth proportional to 10,783,280.40, 16,174,920.60 and 9,787,952.40 is: 14,681,928.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,783,280.40 : 16,174,920.60 = 9,787,952.40 : x
  2. Step 2: Convert to fraction form
    10,783,280.40/16,174,920.60 = 9,787,952.40/x
  3. Step 3: Cross multiply
    10,783,280.40x = 16,174,920.60 × 9,787,952.40
  4. Step 4: Simplify right side
    10,783,280.40x = 158,319,352,906,579.44
  5. Step 5: Solve for x
    x = 158,319,352,906,579.44/10,783,280.40
  6. Step 6: Final answer
    x = 14,681,928.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.