Home / 18,763,317.72-25,893,428.22-10,178,613.72

Finding the Fourth Proportional to 18,763,317.72, 25,893,428.22 and 10,178,613.72

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Solution

The fourth proportional to 18,763,317.72, 25,893,428.22 and 10,178,613.72 is: 14,046,513.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,763,317.72 : 25,893,428.22 = 10,178,613.72 : x
  2. Step 2: Convert to fraction form
    18,763,317.72/25,893,428.22 = 10,178,613.72/x
  3. Step 3: Cross multiply
    18,763,317.72x = 25,893,428.22 × 10,178,613.72
  4. Step 4: Simplify right side
    18,763,317.72x = 263,559,203,737,927.19
  5. Step 5: Solve for x
    x = 263,559,203,737,927.19/18,763,317.72
  6. Step 6: Final answer
    x = 14,046,513.93

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1.5x scale

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.