Home / 8,866,007.40-13,299,011.10-2,134,421.40

Finding the Fourth Proportional to 8,866,007.40, 13,299,011.10 and 2,134,421.40

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Solution

The fourth proportional to 8,866,007.40, 13,299,011.10 and 2,134,421.40 is: 3,201,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866,007.40 : 13,299,011.10 = 2,134,421.40 : x
  2. Step 2: Convert to fraction form
    8,866,007.40/13,299,011.10 = 2,134,421.40/x
  3. Step 3: Cross multiply
    8,866,007.40x = 13,299,011.10 × 2,134,421.40
  4. Step 4: Simplify right side
    8,866,007.40x = 28,385,693,890,677.54
  5. Step 5: Solve for x
    x = 28,385,693,890,677.54/8,866,007.40
  6. Step 6: Final answer
    x = 3,201,632.10

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Double scale
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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.