Home / 15,237,130.66-21,027,846.81-8,361,858.76

Finding the Fourth Proportional to 15,237,130.66, 21,027,846.81 and 8,361,858.76

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Solution

The fourth proportional to 15,237,130.66, 21,027,846.81 and 8,361,858.76 is: 11,539,697.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,237,130.66 : 21,027,846.81 = 8,361,858.76 : x
  2. Step 2: Convert to fraction form
    15,237,130.66/21,027,846.81 = 8,361,858.76/x
  3. Step 3: Cross multiply
    15,237,130.66x = 21,027,846.81 × 8,361,858.76
  4. Step 4: Simplify right side
    15,237,130.66x = 175,831,885,030,923.91
  5. Step 5: Solve for x
    x = 175,831,885,030,923.91/15,237,130.66
  6. Step 6: Final answer
    x = 11,539,697.92

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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.