Home / 14,263,138.10-19,686,642.90-8,757,832.16

Finding the Fourth Proportional to 14,263,138.10, 19,686,642.90 and 8,757,832.16

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Solution

The fourth proportional to 14,263,138.10, 19,686,642.90 and 8,757,832.16 is: 12,087,965.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,263,138.10 : 19,686,642.90 = 8,757,832.16 : x
  2. Step 2: Convert to fraction form
    14,263,138.10/19,686,642.90 = 8,757,832.16/x
  3. Step 3: Cross multiply
    14,263,138.10x = 19,686,642.90 × 8,757,832.16
  4. Step 4: Simplify right side
    14,263,138.10x = 172,412,314,312,055.66
  5. Step 5: Solve for x
    x = 172,412,314,312,055.66/14,263,138.10
  6. Step 6: Final answer
    x = 12,087,965.01

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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.