Home / 18,683,521.40-28,025,282.10-9,117,583.40

Finding the Fourth Proportional to 18,683,521.40, 28,025,282.10 and 9,117,583.40

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Solution

The fourth proportional to 18,683,521.40, 28,025,282.10 and 9,117,583.40 is: 13,676,375.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683,521.40 : 28,025,282.10 = 9,117,583.40 : x
  2. Step 2: Convert to fraction form
    18,683,521.40/28,025,282.10 = 9,117,583.40/x
  3. Step 3: Cross multiply
    18,683,521.40x = 28,025,282.10 × 9,117,583.40
  4. Step 4: Simplify right side
    18,683,521.40x = 255,522,846,855,277.16
  5. Step 5: Solve for x
    x = 255,522,846,855,277.16/18,683,521.40
  6. Step 6: Final answer
    x = 13,676,375.10

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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.