Home / 15,551,068.74-21,460,484.03-8,675,550.78

Finding the Fourth Proportional to 15,551,068.74, 21,460,484.03 and 8,675,550.78

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Solution

The fourth proportional to 15,551,068.74, 21,460,484.03 and 8,675,550.78 is: 11,972,265.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,551,068.74 : 21,460,484.03 = 8,675,550.78 : x
  2. Step 2: Convert to fraction form
    15,551,068.74/21,460,484.03 = 8,675,550.78/x
  3. Step 3: Cross multiply
    15,551,068.74x = 21,460,484.03 × 8,675,550.78
  4. Step 4: Simplify right side
    15,551,068.74x = 186,181,518,922,266.25
  5. Step 5: Solve for x
    x = 186,181,518,922,266.25/15,551,068.74
  6. Step 6: Final answer
    x = 11,972,265.19

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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.