Home / 15,888,908.93-21,926,606.18-8,919,584.64

Finding the Fourth Proportional to 15,888,908.93, 21,926,606.18 and 8,919,584.64

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Solution

The fourth proportional to 15,888,908.93, 21,926,606.18 and 8,919,584.64 is: 12,308,977.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,888,908.93 : 21,926,606.18 = 8,919,584.64 : x
  2. Step 2: Convert to fraction form
    15,888,908.93/21,926,606.18 = 8,919,584.64/x
  3. Step 3: Cross multiply
    15,888,908.93x = 21,926,606.18 × 8,919,584.64
  4. Step 4: Simplify right side
    15,888,908.93x = 195,576,219,645,859.16
  5. Step 5: Solve for x
    x = 195,576,219,645,859.16/15,888,908.93
  6. Step 6: Final answer
    x = 12,308,977.32

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1.5x scale

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.