Home / 19,643,066.71-27,103,156.91-11,910,009.67

Finding the Fourth Proportional to 19,643,066.71, 27,103,156.91 and 11,910,009.67

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Solution

The fourth proportional to 19,643,066.71, 27,103,156.91 and 11,910,009.67 is: 16,433,221.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,643,066.71 : 27,103,156.91 = 11,910,009.67 : x
  2. Step 2: Convert to fraction form
    19,643,066.71/27,103,156.91 = 11,910,009.67/x
  3. Step 3: Cross multiply
    19,643,066.71x = 27,103,156.91 × 11,910,009.67
  4. Step 4: Simplify right side
    19,643,066.71x = 322,798,860,802,981.94
  5. Step 5: Solve for x
    x = 322,798,860,802,981.94/19,643,066.71
  6. Step 6: Final answer
    x = 16,433,221.23

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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.