Home / 13,122,547.07-18,110,142.07-7,243,348.66

Finding the Fourth Proportional to 13,122,547.07, 18,110,142.07 and 7,243,348.66

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Solution

The fourth proportional to 13,122,547.07, 18,110,142.07 and 7,243,348.66 is: 9,996,388.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,547.07 : 18,110,142.07 = 7,243,348.66 : x
  2. Step 2: Convert to fraction form
    13,122,547.07/18,110,142.07 = 7,243,348.66/x
  3. Step 3: Cross multiply
    13,122,547.07x = 18,110,142.07 × 7,243,348.66
  4. Step 4: Simplify right side
    13,122,547.07x = 131,178,073,295,144.12
  5. Step 5: Solve for x
    x = 131,178,073,295,144.12/13,122,547.07
  6. Step 6: Final answer
    x = 9,996,388.09

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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.