Home / 14,142,632.94-19,516,962.15-8,561,007.72

Finding the Fourth Proportional to 14,142,632.94, 19,516,962.15 and 8,561,007.72

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Solution

The fourth proportional to 14,142,632.94, 19,516,962.15 and 8,561,007.72 is: 11,814,268.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,142,632.94 : 19,516,962.15 = 8,561,007.72 : x
  2. Step 2: Convert to fraction form
    14,142,632.94/19,516,962.15 = 8,561,007.72/x
  3. Step 3: Cross multiply
    14,142,632.94x = 19,516,962.15 × 8,561,007.72
  4. Step 4: Simplify right side
    14,142,632.94x = 167,084,863,637,097.81
  5. Step 5: Solve for x
    x = 167,084,863,637,097.81/14,142,632.94
  6. Step 6: Final answer
    x = 11,814,268.56

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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.