Home / 14,542,972.32-20,069,138.28-7,927,415.80

Finding the Fourth Proportional to 14,542,972.32, 20,069,138.28 and 7,927,415.80

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Solution

The fourth proportional to 14,542,972.32, 20,069,138.28 and 7,927,415.80 is: 10,939,744.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,542,972.32 : 20,069,138.28 = 7,927,415.80 : x
  2. Step 2: Convert to fraction form
    14,542,972.32/20,069,138.28 = 7,927,415.80/x
  3. Step 3: Cross multiply
    14,542,972.32x = 20,069,138.28 × 7,927,415.80
  4. Step 4: Simplify right side
    14,542,972.32x = 159,096,403,893,256.84
  5. Step 5: Solve for x
    x = 159,096,403,893,256.84/14,542,972.32
  6. Step 6: Final answer
    x = 10,939,744.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.