Home / 18,312,336.40-27,421,265.40-14,533,200.40

Finding the Fourth Proportional to 18,312,336.40, 27,421,265.40 and 14,533,200.40

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Solution

The fourth proportional to 18,312,336.40, 27,421,265.40 and 14,533,200.40 is: 21,762,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,312,336.40 : 27,421,265.40 = 14,533,200.40 : x
  2. Step 2: Convert to fraction form
    18,312,336.40/27,421,265.40 = 14,533,200.40/x
  3. Step 3: Cross multiply
    18,312,336.40x = 27,421,265.40 × 14,533,200.40
  4. Step 4: Simplify right side
    18,312,336.40x = 398,518,745,279,786.12
  5. Step 5: Solve for x
    x = 398,518,745,279,786.12/18,312,336.40
  6. Step 6: Final answer
    x = 21,762,310.20

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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.