Home / 19,811,113.76-29,713,605.60-8,140,668.32

Finding the Fourth Proportional to 19,811,113.76, 29,713,605.60 and 8,140,668.32

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Solution

The fourth proportional to 19,811,113.76, 29,713,605.60 and 8,140,668.32 is: 12,209,743.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,811,113.76 : 29,713,605.60 = 8,140,668.32 : x
  2. Step 2: Convert to fraction form
    19,811,113.76/29,713,605.60 = 8,140,668.32/x
  3. Step 3: Cross multiply
    19,811,113.76x = 29,713,605.60 × 8,140,668.32
  4. Step 4: Simplify right side
    19,811,113.76x = 241,888,607,780,894.62
  5. Step 5: Solve for x
    x = 241,888,607,780,894.62/19,811,113.76
  6. Step 6: Final answer
    x = 12,209,743.01

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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.