Home / 10,740,928.40-16,120,205.40-10,656,947.60

Finding the Fourth Proportional to 10,740,928.40, 16,120,205.40 and 10,656,947.60

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Solution

The fourth proportional to 10,740,928.40, 16,120,205.40 and 10,656,947.60 is: 15,994,165.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,740,928.40 : 16,120,205.40 = 10,656,947.60 : x
  2. Step 2: Convert to fraction form
    10,740,928.40/16,120,205.40 = 10,656,947.60/x
  3. Step 3: Cross multiply
    10,740,928.40x = 16,120,205.40 × 10,656,947.60
  4. Step 4: Simplify right side
    10,740,928.40x = 171,792,184,249,037.03
  5. Step 5: Solve for x
    x = 171,792,184,249,037.03/10,740,928.40
  6. Step 6: Final answer
    x = 15,994,165.29

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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.