Home / 13,112,059.20-19,668,088.80-13,028,078.40

Finding the Fourth Proportional to 13,112,059.20, 19,668,088.80 and 13,028,078.40

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Solution

The fourth proportional to 13,112,059.20, 19,668,088.80 and 13,028,078.40 is: 19,542,117.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,112,059.20 : 19,668,088.80 = 13,028,078.40 : x
  2. Step 2: Convert to fraction form
    13,112,059.20/19,668,088.80 = 13,028,078.40/x
  3. Step 3: Cross multiply
    13,112,059.20x = 19,668,088.80 × 13,028,078.40
  4. Step 4: Simplify right side
    13,112,059.20x = 256,237,402,864,561.94
  5. Step 5: Solve for x
    x = 256,237,402,864,561.94/13,112,059.20
  6. Step 6: Final answer
    x = 19,542,117.60

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Similar ratio
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1.5x scale

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.