Home / 20,839,509.46-28,758,494.58-11,547,681.06

Finding the Fourth Proportional to 20,839,509.46, 28,758,494.58 and 11,547,681.06

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Solution

The fourth proportional to 20,839,509.46, 28,758,494.58 and 11,547,681.06 is: 15,935,784.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,839,509.46 : 28,758,494.58 = 11,547,681.06 : x
  2. Step 2: Convert to fraction form
    20,839,509.46/28,758,494.58 = 11,547,681.06/x
  3. Step 3: Cross multiply
    20,839,509.46x = 28,758,494.58 × 11,547,681.06
  4. Step 4: Simplify right side
    20,839,509.46x = 332,093,923,240,119.25
  5. Step 5: Solve for x
    x = 332,093,923,240,119.25/20,839,509.46
  6. Step 6: Final answer
    x = 15,935,784.09

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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.