Home / 18,683,638.83-25,783,437.64-10,423,702.39

Finding the Fourth Proportional to 18,683,638.83, 25,783,437.64 and 10,423,702.39

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Solution

The fourth proportional to 18,683,638.83, 25,783,437.64 and 10,423,702.39 is: 14,384,718.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683,638.83 : 25,783,437.64 = 10,423,702.39 : x
  2. Step 2: Convert to fraction form
    18,683,638.83/25,783,437.64 = 10,423,702.39/x
  3. Step 3: Cross multiply
    18,683,638.83x = 25,783,437.64 × 10,423,702.39
  4. Step 4: Simplify right side
    18,683,638.83x = 268,758,880,550,483.97
  5. Step 5: Solve for x
    x = 268,758,880,550,483.97/18,683,638.83
  6. Step 6: Final answer
    x = 14,384,718.26

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1.5x scale

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.