Home / 21,807,853.93-30,094,283.87-11,884,991.76

Finding the Fourth Proportional to 21,807,853.93, 30,094,283.87 and 11,884,991.76

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Solution

The fourth proportional to 21,807,853.93, 30,094,283.87 and 11,884,991.76 is: 16,400,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,807,853.93 : 30,094,283.87 = 11,884,991.76 : x
  2. Step 2: Convert to fraction form
    21,807,853.93/30,094,283.87 = 11,884,991.76/x
  3. Step 3: Cross multiply
    21,807,853.93x = 30,094,283.87 × 11,884,991.76
  4. Step 4: Simplify right side
    21,807,853.93x = 357,670,315,803,194.62
  5. Step 5: Solve for x
    x = 357,670,315,803,194.62/21,807,853.93
  6. Step 6: Final answer
    x = 16,400,986.40

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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.