Home / 28,903,685.41-43,355,603.45-9,747,898.21

Finding the Fourth Proportional to 28,903,685.41, 43,355,603.45 and 9,747,898.21

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Solution

The fourth proportional to 28,903,685.41, 43,355,603.45 and 9,747,898.21 is: 14,621,872.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903,685.41 : 43,355,603.45 = 9,747,898.21 : x
  2. Step 2: Convert to fraction form
    28,903,685.41/43,355,603.45 = 9,747,898.21/x
  3. Step 3: Cross multiply
    28,903,685.41x = 43,355,603.45 × 9,747,898.21
  4. Step 4: Simplify right side
    28,903,685.41x = 422,626,009,263,724.88
  5. Step 5: Solve for x
    x = 422,626,009,263,724.88/28,903,685.41
  6. Step 6: Final answer
    x = 14,621,872.72

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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.