Home / 42,347,480.72-63,527,519.64-19,630,674.32

Finding the Fourth Proportional to 42,347,480.72, 63,527,519.64 and 19,630,674.32

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Solution

The fourth proportional to 42,347,480.72, 63,527,519.64 and 19,630,674.32 is: 29,448,931.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,347,480.72 : 63,527,519.64 = 19,630,674.32 : x
  2. Step 2: Convert to fraction form
    42,347,480.72/63,527,519.64 = 19,630,674.32/x
  3. Step 3: Cross multiply
    42,347,480.72x = 63,527,519.64 × 19,630,674.32
  4. Step 4: Simplify right side
    42,347,480.72x = 1,247,088,048,410,243.75
  5. Step 5: Solve for x
    x = 1,247,088,048,410,243.75/42,347,480.72
  6. Step 6: Final answer
    x = 29,448,931.25

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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.