Home / 8,980,158.60-13,470,237.90-5,389,979.40

Finding the Fourth Proportional to 8,980,158.60, 13,470,237.90 and 5,389,979.40

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Solution

The fourth proportional to 8,980,158.60, 13,470,237.90 and 5,389,979.40 is: 8,084,969.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980,158.60 : 13,470,237.90 = 5,389,979.40 : x
  2. Step 2: Convert to fraction form
    8,980,158.60/13,470,237.90 = 5,389,979.40/x
  3. Step 3: Cross multiply
    8,980,158.60x = 13,470,237.90 × 5,389,979.40
  4. Step 4: Simplify right side
    8,980,158.60x = 72,604,304,794,099.27
  5. Step 5: Solve for x
    x = 72,604,304,794,099.27/8,980,158.60
  6. Step 6: Final answer
    x = 8,084,969.10

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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.