Home / 19,388,727.60-29,083,091.40-8,051,319.60

Finding the Fourth Proportional to 19,388,727.60, 29,083,091.40 and 8,051,319.60

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Solution

The fourth proportional to 19,388,727.60, 29,083,091.40 and 8,051,319.60 is: 12,076,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,388,727.60 : 29,083,091.40 = 8,051,319.60 : x
  2. Step 2: Convert to fraction form
    19,388,727.60/29,083,091.40 = 8,051,319.60/x
  3. Step 3: Cross multiply
    19,388,727.60x = 29,083,091.40 × 8,051,319.60
  4. Step 4: Simplify right side
    19,388,727.60x = 234,157,263,817,411.41
  5. Step 5: Solve for x
    x = 234,157,263,817,411.41/19,388,727.60
  6. Step 6: Final answer
    x = 12,076,979.40

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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.