Home / 15,595,719.41-21,520,648.37-8,626,246.94

Finding the Fourth Proportional to 15,595,719.41, 21,520,648.37 and 8,626,246.94

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Solution

The fourth proportional to 15,595,719.41, 21,520,648.37 and 8,626,246.94 is: 11,903,421.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,595,719.41 : 21,520,648.37 = 8,626,246.94 : x
  2. Step 2: Convert to fraction form
    15,595,719.41/21,520,648.37 = 8,626,246.94/x
  3. Step 3: Cross multiply
    15,595,719.41x = 21,520,648.37 × 8,626,246.94
  4. Step 4: Simplify right side
    15,595,719.41x = 185,642,426,997,794
  5. Step 5: Solve for x
    x = 185,642,426,997,794/15,595,719.41
  6. Step 6: Final answer
    x = 11,903,421.84

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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.