Home / 12,362,709.60-18,544,064.40-8,583,573.60

Finding the Fourth Proportional to 12,362,709.60, 18,544,064.40 and 8,583,573.60

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Solution

The fourth proportional to 12,362,709.60, 18,544,064.40 and 8,583,573.60 is: 12,875,360.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,362,709.60 : 18,544,064.40 = 8,583,573.60 : x
  2. Step 2: Convert to fraction form
    12,362,709.60/18,544,064.40 = 8,583,573.60/x
  3. Step 3: Cross multiply
    12,362,709.60x = 18,544,064.40 × 8,583,573.60
  4. Step 4: Simplify right side
    12,362,709.60x = 159,174,341,620,539.81
  5. Step 5: Solve for x
    x = 159,174,341,620,539.81/12,362,709.60
  6. Step 6: Final answer
    x = 12,875,360.40

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1.5x scale

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.