Home / 15,163,728.66-20,923,607.21-8,636,526.01

Finding the Fourth Proportional to 15,163,728.66, 20,923,607.21 and 8,636,526.01

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Solution

The fourth proportional to 15,163,728.66, 20,923,607.21 and 8,636,526.01 is: 11,917,074.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,163,728.66 : 20,923,607.21 = 8,636,526.01 : x
  2. Step 2: Convert to fraction form
    15,163,728.66/20,923,607.21 = 8,636,526.01/x
  3. Step 3: Cross multiply
    15,163,728.66x = 20,923,607.21 × 8,636,526.01
  4. Step 4: Simplify right side
    15,163,728.66x = 180,707,277,796,696.88
  5. Step 5: Solve for x
    x = 180,707,277,796,696.88/15,163,728.66
  6. Step 6: Final answer
    x = 11,917,074.08

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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.