Home / 14,985,349.76-20,679,782.41-8,109,831.82

Finding the Fourth Proportional to 14,985,349.76, 20,679,782.41 and 8,109,831.82

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Solution

The fourth proportional to 14,985,349.76, 20,679,782.41 and 8,109,831.82 is: 11,191,567.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985,349.76 : 20,679,782.41 = 8,109,831.82 : x
  2. Step 2: Convert to fraction form
    14,985,349.76/20,679,782.41 = 8,109,831.82/x
  3. Step 3: Cross multiply
    14,985,349.76x = 20,679,782.41 × 8,109,831.82
  4. Step 4: Simplify right side
    14,985,349.76x = 167,709,557,315,895.38
  5. Step 5: Solve for x
    x = 167,709,557,315,895.38/14,985,349.76
  6. Step 6: Final answer
    x = 11,191,567.77

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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.