Home / 15,533,865.09-23,308,781.40-11,913,850.35

Finding the Fourth Proportional to 15,533,865.09, 23,308,781.40 and 11,913,850.35

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Solution

The fourth proportional to 15,533,865.09, 23,308,781.40 and 11,913,850.35 is: 17,876,898.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,533,865.09 : 23,308,781.40 = 11,913,850.35 : x
  2. Step 2: Convert to fraction form
    15,533,865.09/23,308,781.40 = 11,913,850.35/x
  3. Step 3: Cross multiply
    15,533,865.09x = 23,308,781.40 × 11,913,850.35
  4. Step 4: Simplify right side
    15,533,865.09x = 277,697,333,440,463.47
  5. Step 5: Solve for x
    x = 277,697,333,440,463.47/15,533,865.09
  6. Step 6: Final answer
    x = 17,876,898.75

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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.