Home / 8,938,564.40-13,407,846.60-8,238,724.40

Finding the Fourth Proportional to 8,938,564.40, 13,407,846.60 and 8,238,724.40

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Solution

The fourth proportional to 8,938,564.40, 13,407,846.60 and 8,238,724.40 is: 12,358,086.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938,564.40 : 13,407,846.60 = 8,238,724.40 : x
  2. Step 2: Convert to fraction form
    8,938,564.40/13,407,846.60 = 8,238,724.40/x
  3. Step 3: Cross multiply
    8,938,564.40x = 13,407,846.60 × 8,238,724.40
  4. Step 4: Simplify right side
    8,938,564.40x = 110,463,552,934,877.05
  5. Step 5: Solve for x
    x = 110,463,552,934,877.05/8,938,564.40
  6. Step 6: Final answer
    x = 12,358,086.60

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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.