Home / 19,389,738.47-26,758,019.52-10,688,222.49

Finding the Fourth Proportional to 19,389,738.47, 26,758,019.52 and 10,688,222.49

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Solution

The fourth proportional to 19,389,738.47, 26,758,019.52 and 10,688,222.49 is: 14,749,846.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389,738.47 : 26,758,019.52 = 10,688,222.49 : x
  2. Step 2: Convert to fraction form
    19,389,738.47/26,758,019.52 = 10,688,222.49/x
  3. Step 3: Cross multiply
    19,389,738.47x = 26,758,019.52 × 10,688,222.49
  4. Step 4: Simplify right side
    19,389,738.47x = 285,995,666,021,523
  5. Step 5: Solve for x
    x = 285,995,666,021,523/19,389,738.47
  6. Step 6: Final answer
    x = 14,749,846.50

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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.