Home / 19,765,604.55-27,276,344.47-11,389,897.32

Finding the Fourth Proportional to 19,765,604.55, 27,276,344.47 and 11,389,897.32

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Solution

The fourth proportional to 19,765,604.55, 27,276,344.47 and 11,389,897.32 is: 15,717,948.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,765,604.55 : 27,276,344.47 = 11,389,897.32 : x
  2. Step 2: Convert to fraction form
    19,765,604.55/27,276,344.47 = 11,389,897.32/x
  3. Step 3: Cross multiply
    19,765,604.55x = 27,276,344.47 × 11,389,897.32
  4. Step 4: Simplify right side
    19,765,604.55x = 310,674,762,778,249.81
  5. Step 5: Solve for x
    x = 310,674,762,778,249.81/19,765,604.55
  6. Step 6: Final answer
    x = 15,717,948.92

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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.