Home / 19,866,745.28-29,784,045.90-6,212,866.88

Finding the Fourth Proportional to 19,866,745.28, 29,784,045.90 and 6,212,866.88

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Solution

The fourth proportional to 19,866,745.28, 29,784,045.90 and 6,212,866.88 is: 9,314,274.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,866,745.28 : 29,784,045.90 = 6,212,866.88 : x
  2. Step 2: Convert to fraction form
    19,866,745.28/29,784,045.90 = 6,212,866.88/x
  3. Step 3: Cross multiply
    19,866,745.28x = 29,784,045.90 × 6,212,866.88
  4. Step 4: Simplify right side
    19,866,745.28x = 185,044,312,324,509.78
  5. Step 5: Solve for x
    x = 185,044,312,324,509.78/19,866,745.28
  6. Step 6: Final answer
    x = 9,314,274.17

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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.