Home / 19,178,931.24-28,768,646.20-6,399,435.94

Finding the Fourth Proportional to 19,178,931.24, 28,768,646.20 and 6,399,435.94

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Solution

The fourth proportional to 19,178,931.24, 28,768,646.20 and 6,399,435.94 is: 9,599,237.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,178,931.24 : 28,768,646.20 = 6,399,435.94 : x
  2. Step 2: Convert to fraction form
    19,178,931.24/28,768,646.20 = 6,399,435.94/x
  3. Step 3: Cross multiply
    19,178,931.24x = 28,768,646.20 × 6,399,435.94
  4. Step 4: Simplify right side
    19,178,931.24x = 184,103,108,437,424.44
  5. Step 5: Solve for x
    x = 184,103,108,437,424.44/19,178,931.24
  6. Step 6: Final answer
    x = 9,599,237.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.