Home / 8,674,721.70-13,012,082.55-4,423,193.70

Finding the Fourth Proportional to 8,674,721.70, 13,012,082.55 and 4,423,193.70

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Solution

The fourth proportional to 8,674,721.70, 13,012,082.55 and 4,423,193.70 is: 6,634,790.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,674,721.70 : 13,012,082.55 = 4,423,193.70 : x
  2. Step 2: Convert to fraction form
    8,674,721.70/13,012,082.55 = 4,423,193.70/x
  3. Step 3: Cross multiply
    8,674,721.70x = 13,012,082.55 × 4,423,193.70
  4. Step 4: Simplify right side
    8,674,721.70x = 57,554,961,559,039.94
  5. Step 5: Solve for x
    x = 57,554,961,559,039.94/8,674,721.70
  6. Step 6: Final answer
    x = 6,634,790.55

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Double scale
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Similar ratio
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1.5x scale

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.