Home / 12,145,431.90-18,219,089.68-4,058,436.45

Finding the Fourth Proportional to 12,145,431.90, 18,219,089.68 and 4,058,436.45

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Solution

The fourth proportional to 12,145,431.90, 18,219,089.68 and 4,058,436.45 is: 6,087,969.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,145,431.90 : 18,219,089.68 = 4,058,436.45 : x
  2. Step 2: Convert to fraction form
    12,145,431.90/18,219,089.68 = 4,058,436.45/x
  3. Step 3: Cross multiply
    12,145,431.90x = 18,219,089.68 × 4,058,436.45
  4. Step 4: Simplify right side
    12,145,431.90x = 73,941,017,643,130.84
  5. Step 5: Solve for x
    x = 73,941,017,643,130.84/12,145,431.90
  6. Step 6: Final answer
    x = 6,087,969.39

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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.