Home / 8,742,124.80-13,099,190.40-5,746,809.60

Finding the Fourth Proportional to 8,742,124.80, 13,099,190.40 and 5,746,809.60

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Solution

The fourth proportional to 8,742,124.80, 13,099,190.40 and 5,746,809.60 is: 8,611,013.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742,124.80 : 13,099,190.40 = 5,746,809.60 : x
  2. Step 2: Convert to fraction form
    8,742,124.80/13,099,190.40 = 5,746,809.60/x
  3. Step 3: Cross multiply
    8,742,124.80x = 13,099,190.40 × 5,746,809.60
  4. Step 4: Simplify right side
    8,742,124.80x = 75,278,553,142,947.84
  5. Step 5: Solve for x
    x = 75,278,553,142,947.84/8,742,124.80
  6. Step 6: Final answer
    x = 8,611,013.33

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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.