Home / 19,044,279.99-26,289,148.86-12,857,707.22

Finding the Fourth Proportional to 19,044,279.99, 26,289,148.86 and 12,857,707.22

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Solution

The fourth proportional to 19,044,279.99, 26,289,148.86 and 12,857,707.22 is: 17,749,065.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,044,279.99 : 26,289,148.86 = 12,857,707.22 : x
  2. Step 2: Convert to fraction form
    19,044,279.99/26,289,148.86 = 12,857,707.22/x
  3. Step 3: Cross multiply
    19,044,279.99x = 26,289,148.86 × 12,857,707.22
  4. Step 4: Simplify right side
    19,044,279.99x = 338,018,178,973,431
  5. Step 5: Solve for x
    x = 338,018,178,973,431/19,044,279.99
  6. Step 6: Final answer
    x = 17,749,065.82

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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.