Home / 8,658,423-11,948,546.76-5,173,572.54

Finding the Fourth Proportional to 8,658,423, 11,948,546.76 and 5,173,572.54

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Solution

The fourth proportional to 8,658,423, 11,948,546.76 and 5,173,572.54 is: 7,139,484.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,658,423 : 11,948,546.76 = 5,173,572.54 : x
  2. Step 2: Convert to fraction form
    8,658,423/11,948,546.76 = 5,173,572.54/x
  3. Step 3: Cross multiply
    8,658,423x = 11,948,546.76 × 5,173,572.54
  4. Step 4: Simplify right side
    8,658,423x = 61,816,673,410,441.97
  5. Step 5: Solve for x
    x = 61,816,673,410,441.97/8,658,423
  6. Step 6: Final answer
    x = 7,139,484.11

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Double scale
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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.