Home / 25,470,232.31-38,211,327.18-8,430,905.25

Finding the Fourth Proportional to 25,470,232.31, 38,211,327.18 and 8,430,905.25

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Solution

The fourth proportional to 25,470,232.31, 38,211,327.18 and 8,430,905.25 is: 12,648,336.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,470,232.31 : 38,211,327.18 = 8,430,905.25 : x
  2. Step 2: Convert to fraction form
    25,470,232.31/38,211,327.18 = 8,430,905.25/x
  3. Step 3: Cross multiply
    25,470,232.31x = 38,211,327.18 × 8,430,905.25
  4. Step 4: Simplify right side
    25,470,232.31x = 322,156,078,931,329.69
  5. Step 5: Solve for x
    x = 322,156,078,931,329.69/25,470,232.31
  6. Step 6: Final answer
    x = 12,648,336.89

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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.