Home / 14,146,146.63-21,176,926.08-8,663,979.83

Finding the Fourth Proportional to 14,146,146.63, 21,176,926.08 and 8,663,979.83

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Solution

The fourth proportional to 14,146,146.63, 21,176,926.08 and 8,663,979.83 is: 12,970,066.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146,146.63 : 21,176,926.08 = 8,663,979.83 : x
  2. Step 2: Convert to fraction form
    14,146,146.63/21,176,926.08 = 8,663,979.83/x
  3. Step 3: Cross multiply
    14,146,146.63x = 21,176,926.08 × 8,663,979.83
  4. Step 4: Simplify right side
    14,146,146.63x = 183,476,460,312,636.31
  5. Step 5: Solve for x
    x = 183,476,460,312,636.31/14,146,146.63
  6. Step 6: Final answer
    x = 12,970,066.34

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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.