Home / 14,083,806.51-19,436,130.59-7,889,117.67

Finding the Fourth Proportional to 14,083,806.51, 19,436,130.59 and 7,889,117.67

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Solution

The fourth proportional to 14,083,806.51, 19,436,130.59 and 7,889,117.67 is: 10,887,249.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,083,806.51 : 19,436,130.59 = 7,889,117.67 : x
  2. Step 2: Convert to fraction form
    14,083,806.51/19,436,130.59 = 7,889,117.67/x
  3. Step 3: Cross multiply
    14,083,806.51x = 19,436,130.59 × 7,889,117.67
  4. Step 4: Simplify right side
    14,083,806.51x = 153,333,921,234,550.94
  5. Step 5: Solve for x
    x = 153,333,921,234,550.94/14,083,806.51
  6. Step 6: Final answer
    x = 10,887,249.92

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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.