Home / 9,145,582.72-13,717,038.49-2,666,917.19

Finding the Fourth Proportional to 9,145,582.72, 13,717,038.49 and 2,666,917.19

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Solution

The fourth proportional to 9,145,582.72, 13,717,038.49 and 2,666,917.19 is: 3,999,986.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145,582.72 : 13,717,038.49 = 2,666,917.19 : x
  2. Step 2: Convert to fraction form
    9,145,582.72/13,717,038.49 = 2,666,917.19/x
  3. Step 3: Cross multiply
    9,145,582.72x = 13,717,038.49 × 2,666,917.19
  4. Step 4: Simplify right side
    9,145,582.72x = 36,582,205,772,497.95
  5. Step 5: Solve for x
    x = 36,582,205,772,497.95/9,145,582.72
  6. Step 6: Final answer
    x = 3,999,986.32

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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.