Home / 14,272,188.15-21,403,484.27-5,172,380.50

Finding the Fourth Proportional to 14,272,188.15, 21,403,484.27 and 5,172,380.50

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Solution

The fourth proportional to 14,272,188.15, 21,403,484.27 and 5,172,380.50 is: 7,756,831.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272,188.15 : 21,403,484.27 = 5,172,380.50 : x
  2. Step 2: Convert to fraction form
    14,272,188.15/21,403,484.27 = 5,172,380.50/x
  3. Step 3: Cross multiply
    14,272,188.15x = 21,403,484.27 × 5,172,380.50
  4. Step 4: Simplify right side
    14,272,188.15x = 110,706,964,664,911.98
  5. Step 5: Solve for x
    x = 110,706,964,664,911.98/14,272,188.15
  6. Step 6: Final answer
    x = 7,756,831.92

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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.