Home / 42,705,376.90-64,051,844.55-12,410,080.90

Finding the Fourth Proportional to 42,705,376.90, 64,051,844.55 and 12,410,080.90

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Solution

The fourth proportional to 42,705,376.90, 64,051,844.55 and 12,410,080.90 is: 18,613,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,705,376.90 : 64,051,844.55 = 12,410,080.90 : x
  2. Step 2: Convert to fraction form
    42,705,376.90/64,051,844.55 = 12,410,080.90/x
  3. Step 3: Cross multiply
    42,705,376.90x = 64,051,844.55 × 12,410,080.90
  4. Step 4: Simplify right side
    42,705,376.90x = 794,888,572,659,724.12
  5. Step 5: Solve for x
    x = 794,888,572,659,724.12/42,705,376.90
  6. Step 6: Final answer
    x = 18,613,313.60

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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.