Home / 14,136,893.80-21,205,340.70-12,289,316.20

Finding the Fourth Proportional to 14,136,893.80, 21,205,340.70 and 12,289,316.20

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Solution

The fourth proportional to 14,136,893.80, 21,205,340.70 and 12,289,316.20 is: 18,433,974.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,136,893.80 : 21,205,340.70 = 12,289,316.20 : x
  2. Step 2: Convert to fraction form
    14,136,893.80/21,205,340.70 = 12,289,316.20/x
  3. Step 3: Cross multiply
    14,136,893.80x = 21,205,340.70 × 12,289,316.20
  4. Step 4: Simplify right side
    14,136,893.80x = 260,599,136,991,029.31
  5. Step 5: Solve for x
    x = 260,599,136,991,029.31/14,136,893.80
  6. Step 6: Final answer
    x = 18,433,974.30

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1.5x scale

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.