Home / 14,985,349.47-20,679,782.02-8,109,831.53

Finding the Fourth Proportional to 14,985,349.47, 20,679,782.02 and 8,109,831.53

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Solution

The fourth proportional to 14,985,349.47, 20,679,782.02 and 8,109,831.53 is: 11,191,567.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985,349.47 : 20,679,782.02 = 8,109,831.53 : x
  2. Step 2: Convert to fraction form
    14,985,349.47/20,679,782.02 = 8,109,831.53/x
  3. Step 3: Cross multiply
    14,985,349.47x = 20,679,782.02 × 8,109,831.53
  4. Step 4: Simplify right side
    14,985,349.47x = 167,709,548,290,747.94
  5. Step 5: Solve for x
    x = 167,709,548,290,747.94/14,985,349.47
  6. Step 6: Final answer
    x = 11,191,567.38

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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.