Home / 13,289,580.40-19,938,793.20-4,770,583.60

Finding the Fourth Proportional to 13,289,580.40, 19,938,793.20 and 4,770,583.60

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Solution

The fourth proportional to 13,289,580.40, 19,938,793.20 and 4,770,583.60 is: 7,157,462.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,289,580.40 : 19,938,793.20 = 4,770,583.60 : x
  2. Step 2: Convert to fraction form
    13,289,580.40/19,938,793.20 = 4,770,583.60/x
  3. Step 3: Cross multiply
    13,289,580.40x = 19,938,793.20 × 4,770,583.60
  4. Step 4: Simplify right side
    13,289,580.40x = 95,119,679,843,711.52
  5. Step 5: Solve for x
    x = 95,119,679,843,711.52/13,289,580.40
  6. Step 6: Final answer
    x = 7,157,462.99

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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.