Home / 20,903,445.61-31,355,483.60-7,257,025.33

Finding the Fourth Proportional to 20,903,445.61, 31,355,483.60 and 7,257,025.33

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Solution

The fourth proportional to 20,903,445.61, 31,355,483.60 and 7,257,025.33 is: 10,885,647.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,903,445.61 : 31,355,483.60 = 7,257,025.33 : x
  2. Step 2: Convert to fraction form
    20,903,445.61/31,355,483.60 = 7,257,025.33/x
  3. Step 3: Cross multiply
    20,903,445.61x = 31,355,483.60 × 7,257,025.33
  4. Step 4: Simplify right side
    20,903,445.61x = 227,547,538,659,353.44
  5. Step 5: Solve for x
    x = 227,547,538,659,353.44/20,903,445.61
  6. Step 6: Final answer
    x = 10,885,647.42

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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.