Home / 14,537,664.60-21,782,877.30-12,128,465.40

Finding the Fourth Proportional to 14,537,664.60, 21,782,877.30 and 12,128,465.40

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Solution

The fourth proportional to 14,537,664.60, 21,782,877.30 and 12,128,465.40 is: 18,172,992.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,537,664.60 : 21,782,877.30 = 12,128,465.40 : x
  2. Step 2: Convert to fraction form
    14,537,664.60/21,782,877.30 = 12,128,465.40/x
  3. Step 3: Cross multiply
    14,537,664.60x = 21,782,877.30 × 12,128,465.40
  4. Step 4: Simplify right side
    14,537,664.60x = 264,192,873,645,495.44
  5. Step 5: Solve for x
    x = 264,192,873,645,495.44/14,537,664.60
  6. Step 6: Final answer
    x = 18,172,992.77

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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.