Home / 14,869,507.16-20,519,979.15-8,342,710.47

Finding the Fourth Proportional to 14,869,507.16, 20,519,979.15 and 8,342,710.47

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Solution

The fourth proportional to 14,869,507.16, 20,519,979.15 and 8,342,710.47 is: 11,512,973.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,869,507.16 : 20,519,979.15 = 8,342,710.47 : x
  2. Step 2: Convert to fraction form
    14,869,507.16/20,519,979.15 = 8,342,710.47/x
  3. Step 3: Cross multiply
    14,869,507.16x = 20,519,979.15 × 8,342,710.47
  4. Step 4: Simplify right side
    14,869,507.16x = 171,192,244,898,886.69
  5. Step 5: Solve for x
    x = 171,192,244,898,886.69/14,869,507.16
  6. Step 6: Final answer
    x = 11,512,973.71

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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.