Home / 13,117,861.71-19,679,671.51-4,020,643.37

Finding the Fourth Proportional to 13,117,861.71, 19,679,671.51 and 4,020,643.37

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Solution

The fourth proportional to 13,117,861.71, 19,679,671.51 and 4,020,643.37 is: 6,031,847.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117,861.71 : 19,679,671.51 = 4,020,643.37 : x
  2. Step 2: Convert to fraction form
    13,117,861.71/19,679,671.51 = 4,020,643.37/x
  3. Step 3: Cross multiply
    13,117,861.71x = 19,679,671.51 × 4,020,643.37
  4. Step 4: Simplify right side
    13,117,861.71x = 79,124,940,819,606.97
  5. Step 5: Solve for x
    x = 79,124,940,819,606.97/13,117,861.71
  6. Step 6: Final answer
    x = 6,031,847.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.