Home / 18,683,639.04-25,783,437.92-10,423,702.60

Finding the Fourth Proportional to 18,683,639.04, 25,783,437.92 and 10,423,702.60

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Solution

The fourth proportional to 18,683,639.04, 25,783,437.92 and 10,423,702.60 is: 14,384,718.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683,639.04 : 25,783,437.92 = 10,423,702.60 : x
  2. Step 2: Convert to fraction form
    18,683,639.04/25,783,437.92 = 10,423,702.60/x
  3. Step 3: Cross multiply
    18,683,639.04x = 25,783,437.92 × 10,423,702.60
  4. Step 4: Simplify right side
    18,683,639.04x = 268,758,888,883,642.59
  5. Step 5: Solve for x
    x = 268,758,888,883,642.59/18,683,639.04
  6. Step 6: Final answer
    x = 14,384,718.54

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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.