Home / 19,183,629.40-28,771,296.90-8,400,909.40

Finding the Fourth Proportional to 19,183,629.40, 28,771,296.90 and 8,400,909.40

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Solution

The fourth proportional to 19,183,629.40, 28,771,296.90 and 8,400,909.40 is: 12,599,547.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,183,629.40 : 28,771,296.90 = 8,400,909.40 : x
  2. Step 2: Convert to fraction form
    19,183,629.40/28,771,296.90 = 8,400,909.40/x
  3. Step 3: Cross multiply
    19,183,629.40x = 28,771,296.90 × 8,400,909.40
  4. Step 4: Simplify right side
    19,183,629.40x = 241,705,058,577,400.84
  5. Step 5: Solve for x
    x = 241,705,058,577,400.84/19,183,629.40
  6. Step 6: Final answer
    x = 12,599,547.96

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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.