Home / 15,711,544.10-21,678,681.40-9,183,910.89

Finding the Fourth Proportional to 15,711,544.10, 21,678,681.40 and 9,183,910.89

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Solution

The fourth proportional to 15,711,544.10, 21,678,681.40 and 9,183,910.89 is: 12,671,897.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,711,544.10 : 21,678,681.40 = 9,183,910.89 : x
  2. Step 2: Convert to fraction form
    15,711,544.10/21,678,681.40 = 9,183,910.89/x
  3. Step 3: Cross multiply
    15,711,544.10x = 21,678,681.40 × 9,183,910.89
  4. Step 4: Simplify right side
    15,711,544.10x = 199,095,078,081,907.03
  5. Step 5: Solve for x
    x = 199,095,078,081,907.03/15,711,544.10
  6. Step 6: Final answer
    x = 12,671,897.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.