Home / 14,217,373.51-19,619,916.35-7,690,986.88

Finding the Fourth Proportional to 14,217,373.51, 19,619,916.35 and 7,690,986.88

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Solution

The fourth proportional to 14,217,373.51, 19,619,916.35 and 7,690,986.88 is: 10,613,529.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,217,373.51 : 19,619,916.35 = 7,690,986.88 : x
  2. Step 2: Convert to fraction form
    14,217,373.51/19,619,916.35 = 7,690,986.88/x
  3. Step 3: Cross multiply
    14,217,373.51x = 19,619,916.35 × 7,690,986.88
  4. Step 4: Simplify right side
    14,217,373.51x = 150,896,519,147,042.75
  5. Step 5: Solve for x
    x = 150,896,519,147,042.75/14,217,373.51
  6. Step 6: Final answer
    x = 10,613,529.92

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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.