Home / 8,258,812.60-12,388,218.90-6,558,201.40

Finding the Fourth Proportional to 8,258,812.60, 12,388,218.90 and 6,558,201.40

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Solution

The fourth proportional to 8,258,812.60, 12,388,218.90 and 6,558,201.40 is: 9,837,302.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258,812.60 : 12,388,218.90 = 6,558,201.40 : x
  2. Step 2: Convert to fraction form
    8,258,812.60/12,388,218.90 = 6,558,201.40/x
  3. Step 3: Cross multiply
    8,258,812.60x = 12,388,218.90 × 6,558,201.40
  4. Step 4: Simplify right side
    8,258,812.60x = 81,244,434,533,486.47
  5. Step 5: Solve for x
    x = 81,244,434,533,486.47/8,258,812.60
  6. Step 6: Final answer
    x = 9,837,302.10

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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.