Home / 18,683,503.34-25,783,250.67-10,423,567.22

Finding the Fourth Proportional to 18,683,503.34, 25,783,250.67 and 10,423,567.22

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Solution

The fourth proportional to 18,683,503.34, 25,783,250.67 and 10,423,567.22 is: 14,384,531.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683,503.34 : 25,783,250.67 = 10,423,567.22 : x
  2. Step 2: Convert to fraction form
    18,683,503.34/25,783,250.67 = 10,423,567.22/x
  3. Step 3: Cross multiply
    18,683,503.34x = 25,783,250.67 × 10,423,567.22
  4. Step 4: Simplify right side
    18,683,503.34x = 268,753,446,379,938.81
  5. Step 5: Solve for x
    x = 268,753,446,379,938.81/18,683,503.34
  6. Step 6: Final answer
    x = 14,384,531.72

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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.