Home / 19,280,420.69-26,606,980.04-11,020,661.15

Finding the Fourth Proportional to 19,280,420.69, 26,606,980.04 and 11,020,661.15

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Solution

The fourth proportional to 19,280,420.69, 26,606,980.04 and 11,020,661.15 is: 15,208,512.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280,420.69 : 26,606,980.04 = 11,020,661.15 : x
  2. Step 2: Convert to fraction form
    19,280,420.69/26,606,980.04 = 11,020,661.15/x
  3. Step 3: Cross multiply
    19,280,420.69x = 26,606,980.04 × 11,020,661.15
  4. Step 4: Simplify right side
    19,280,420.69x = 293,226,511,057,515.25
  5. Step 5: Solve for x
    x = 293,226,511,057,515.25/19,280,420.69
  6. Step 6: Final answer
    x = 15,208,512.09

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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.