Home / 20,064,902.78-27,698,021.08-13,547,351.18

Finding the Fourth Proportional to 20,064,902.78, 27,698,021.08 and 13,547,351.18

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Solution

The fourth proportional to 20,064,902.78, 27,698,021.08 and 13,547,351.18 is: 18,701,053.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,064,902.78 : 27,698,021.08 = 13,547,351.18 : x
  2. Step 2: Convert to fraction form
    20,064,902.78/27,698,021.08 = 13,547,351.18/x
  3. Step 3: Cross multiply
    20,064,902.78x = 27,698,021.08 × 13,547,351.18
  4. Step 4: Simplify right side
    20,064,902.78x = 375,234,818,561,802.81
  5. Step 5: Solve for x
    x = 375,234,818,561,802.81/20,064,902.78
  6. Step 6: Final answer
    x = 18,701,053.41

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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.