Home / 11,915,038.90-16,441,438.02-6,686,847.94

Finding the Fourth Proportional to 11,915,038.90, 16,441,438.02 and 6,686,847.94

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Solution

The fourth proportional to 11,915,038.90, 16,441,438.02 and 6,686,847.94 is: 9,227,111.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,915,038.90 : 16,441,438.02 = 6,686,847.94 : x
  2. Step 2: Convert to fraction form
    11,915,038.90/16,441,438.02 = 6,686,847.94/x
  3. Step 3: Cross multiply
    11,915,038.90x = 16,441,438.02 × 6,686,847.94
  4. Step 4: Simplify right side
    11,915,038.90x = 109,941,395,954,674.69
  5. Step 5: Solve for x
    x = 109,941,395,954,674.69/11,915,038.90
  6. Step 6: Final answer
    x = 9,227,111.79

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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.