Home / 12,145,428.90-18,219,085.18-4,058,433.45

Finding the Fourth Proportional to 12,145,428.90, 18,219,085.18 and 4,058,433.45

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Solution

The fourth proportional to 12,145,428.90, 18,219,085.18 and 4,058,433.45 is: 6,087,964.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,145,428.90 : 18,219,085.18 = 4,058,433.45 : x
  2. Step 2: Convert to fraction form
    12,145,428.90/18,219,085.18 = 4,058,433.45/x
  3. Step 3: Cross multiply
    12,145,428.90x = 18,219,085.18 × 4,058,433.45
  4. Step 4: Simplify right side
    12,145,428.90x = 73,940,944,712,765.19
  5. Step 5: Solve for x
    x = 73,940,944,712,765.19/12,145,428.90
  6. Step 6: Final answer
    x = 6,087,964.89

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1.5x scale

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.