Home / 8,436,948.66-12,660,030-3,578,499.27

Finding the Fourth Proportional to 8,436,948.66, 12,660,030 and 3,578,499.27

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Solution

The fourth proportional to 8,436,948.66, 12,660,030 and 3,578,499.27 is: 5,369,702.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436,948.66 : 12,660,030 = 3,578,499.27 : x
  2. Step 2: Convert to fraction form
    8,436,948.66/12,660,030 = 3,578,499.27/x
  3. Step 3: Cross multiply
    8,436,948.66x = 12,660,030 × 3,578,499.27
  4. Step 4: Simplify right side
    8,436,948.66x = 45,303,908,113,178.10
  5. Step 5: Solve for x
    x = 45,303,908,113,178.10/8,436,948.66
  6. Step 6: Final answer
    x = 5,369,702.95

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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.