Home / 14,913,038.78-20,579,670.81-8,633,830.90

Finding the Fourth Proportional to 14,913,038.78, 20,579,670.81 and 8,633,830.90

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Solution

The fourth proportional to 14,913,038.78, 20,579,670.81 and 8,633,830.90 is: 11,914,499.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,913,038.78 : 20,579,670.81 = 8,633,830.90 : x
  2. Step 2: Convert to fraction form
    14,913,038.78/20,579,670.81 = 8,633,830.90/x
  3. Step 3: Cross multiply
    14,913,038.78x = 20,579,670.81 × 8,633,830.90
  4. Step 4: Simplify right side
    14,913,038.78x = 177,681,397,751,206.03
  5. Step 5: Solve for x
    x = 177,681,397,751,206.03/14,913,038.78
  6. Step 6: Final answer
    x = 11,914,499.81

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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.