Home / 14,085,986.40-21,128,979.60-10,893,403.80

Finding the Fourth Proportional to 14,085,986.40, 21,128,979.60 and 10,893,403.80

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Solution

The fourth proportional to 14,085,986.40, 21,128,979.60 and 10,893,403.80 is: 16,340,105.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,085,986.40 : 21,128,979.60 = 10,893,403.80 : x
  2. Step 2: Convert to fraction form
    14,085,986.40/21,128,979.60 = 10,893,403.80/x
  3. Step 3: Cross multiply
    14,085,986.40x = 21,128,979.60 × 10,893,403.80
  4. Step 4: Simplify right side
    14,085,986.40x = 230,166,506,664,762.50
  5. Step 5: Solve for x
    x = 230,166,506,664,762.50/14,085,986.40
  6. Step 6: Final answer
    x = 16,340,105.70

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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.