Home / 43,047,015.55-64,570,756.60-12,755,140.99

Finding the Fourth Proportional to 43,047,015.55, 64,570,756.60 and 12,755,140.99

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Solution

The fourth proportional to 43,047,015.55, 64,570,756.60 and 12,755,140.99 is: 19,132,780.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,047,015.55 : 64,570,756.60 = 12,755,140.99 : x
  2. Step 2: Convert to fraction form
    43,047,015.55/64,570,756.60 = 12,755,140.99/x
  3. Step 3: Cross multiply
    43,047,015.55x = 64,570,756.60 × 12,755,140.99
  4. Step 4: Simplify right side
    43,047,015.55x = 823,609,104,118,490.12
  5. Step 5: Solve for x
    x = 823,609,104,118,490.12/43,047,015.55
  6. Step 6: Final answer
    x = 19,132,780.60

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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.