Home / 8,778,972.60-13,168,211.80-2,389,280.30

Finding the Fourth Proportional to 8,778,972.60, 13,168,211.80 and 2,389,280.30

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Solution

The fourth proportional to 8,778,972.60, 13,168,211.80 and 2,389,280.30 is: 3,583,853.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778,972.60 : 13,168,211.80 = 2,389,280.30 : x
  2. Step 2: Convert to fraction form
    8,778,972.60/13,168,211.80 = 2,389,280.30/x
  3. Step 3: Cross multiply
    8,778,972.60x = 13,168,211.80 × 2,389,280.30
  4. Step 4: Simplify right side
    8,778,972.60x = 31,462,549,039,967.54
  5. Step 5: Solve for x
    x = 31,462,549,039,967.54/8,778,972.60
  6. Step 6: Final answer
    x = 3,583,853.20

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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.