Home / 14,208,025.80-21,312,038.70-8,142,745.80

Finding the Fourth Proportional to 14,208,025.80, 21,312,038.70 and 8,142,745.80

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Solution

The fourth proportional to 14,208,025.80, 21,312,038.70 and 8,142,745.80 is: 12,214,118.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208,025.80 : 21,312,038.70 = 8,142,745.80 : x
  2. Step 2: Convert to fraction form
    14,208,025.80/21,312,038.70 = 8,142,745.80/x
  3. Step 3: Cross multiply
    14,208,025.80x = 21,312,038.70 × 8,142,745.80
  4. Step 4: Simplify right side
    14,208,025.80x = 173,538,513,613,862.44
  5. Step 5: Solve for x
    x = 173,538,513,613,862.44/14,208,025.80
  6. Step 6: Final answer
    x = 12,214,118.70

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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.