Home / 9,787,863.20-14,681,794.80-9,619,901.60

Finding the Fourth Proportional to 9,787,863.20, 14,681,794.80 and 9,619,901.60

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Solution

The fourth proportional to 9,787,863.20, 14,681,794.80 and 9,619,901.60 is: 14,429,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,787,863.20 : 14,681,794.80 = 9,619,901.60 : x
  2. Step 2: Convert to fraction form
    9,787,863.20/14,681,794.80 = 9,619,901.60/x
  3. Step 3: Cross multiply
    9,787,863.20x = 14,681,794.80 × 9,619,901.60
  4. Step 4: Simplify right side
    9,787,863.20x = 141,237,421,287,391.69
  5. Step 5: Solve for x
    x = 141,237,421,287,391.69/9,787,863.20
  6. Step 6: Final answer
    x = 14,429,852.40

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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.