Home / 20,903,445.86-31,355,483.96-7,257,025.58

Finding the Fourth Proportional to 20,903,445.86, 31,355,483.96 and 7,257,025.58

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Solution

The fourth proportional to 20,903,445.86, 31,355,483.96 and 7,257,025.58 is: 10,885,647.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,903,445.86 : 31,355,483.96 = 7,257,025.58 : x
  2. Step 2: Convert to fraction form
    20,903,445.86/31,355,483.96 = 7,257,025.58/x
  3. Step 3: Cross multiply
    20,903,445.86x = 31,355,483.96 × 7,257,025.58
  4. Step 4: Simplify right side
    20,903,445.86x = 227,547,549,170,999.72
  5. Step 5: Solve for x
    x = 227,547,549,170,999.72/20,903,445.86
  6. Step 6: Final answer
    x = 10,885,647.79

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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.