Home / 13,061,410.65-18,017,389.31-7,833,024.81

Finding the Fourth Proportional to 13,061,410.65, 18,017,389.31 and 7,833,024.81

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Solution

The fourth proportional to 13,061,410.65, 18,017,389.31 and 7,833,024.81 is: 10,805,161.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,061,410.65 : 18,017,389.31 = 7,833,024.81 : x
  2. Step 2: Convert to fraction form
    13,061,410.65/18,017,389.31 = 7,833,024.81/x
  3. Step 3: Cross multiply
    13,061,410.65x = 18,017,389.31 × 7,833,024.81
  4. Step 4: Simplify right side
    13,061,410.65x = 141,130,657,437,493.66
  5. Step 5: Solve for x
    x = 141,130,657,437,493.66/13,061,410.65
  6. Step 6: Final answer
    x = 10,805,161.96

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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.