Home / 12,553,970.20-18,826,289.70-4,979,368.60

Finding the Fourth Proportional to 12,553,970.20, 18,826,289.70 and 4,979,368.60

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Solution

The fourth proportional to 12,553,970.20, 18,826,289.70 and 4,979,368.60 is: 7,467,202.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553,970.20 : 18,826,289.70 = 4,979,368.60 : x
  2. Step 2: Convert to fraction form
    12,553,970.20/18,826,289.70 = 4,979,368.60/x
  3. Step 3: Cross multiply
    12,553,970.20x = 18,826,289.70 × 4,979,368.60
  4. Step 4: Simplify right side
    12,553,970.20x = 93,743,035,786,683.41
  5. Step 5: Solve for x
    x = 93,743,035,786,683.41/12,553,970.20
  6. Step 6: Final answer
    x = 7,467,202.35

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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.