Home / 42,768,015.60-64,152,023.40-14,015,089.20

Finding the Fourth Proportional to 42,768,015.60, 64,152,023.40 and 14,015,089.20

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Solution

The fourth proportional to 42,768,015.60, 64,152,023.40 and 14,015,089.20 is: 21,022,633.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,015.60 : 64,152,023.40 = 14,015,089.20 : x
  2. Step 2: Convert to fraction form
    42,768,015.60/64,152,023.40 = 14,015,089.20/x
  3. Step 3: Cross multiply
    42,768,015.60x = 64,152,023.40 × 14,015,089.20
  4. Step 4: Simplify right side
    42,768,015.60x = 899,096,330,311,487.25
  5. Step 5: Solve for x
    x = 899,096,330,311,487.25/42,768,015.60
  6. Step 6: Final answer
    x = 21,022,633.80

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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.