Home / 9,000,412.40-13,479,623.40-8,820,009.20

Finding the Fourth Proportional to 9,000,412.40, 13,479,623.40 and 8,820,009.20

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Solution

The fourth proportional to 9,000,412.40, 13,479,623.40 and 8,820,009.20 is: 13,209,439.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000,412.40 : 13,479,623.40 = 8,820,009.20 : x
  2. Step 2: Convert to fraction form
    9,000,412.40/13,479,623.40 = 8,820,009.20/x
  3. Step 3: Cross multiply
    9,000,412.40x = 13,479,623.40 × 8,820,009.20
  4. Step 4: Simplify right side
    9,000,412.40x = 118,890,402,400,535.27
  5. Step 5: Solve for x
    x = 118,890,402,400,535.27/9,000,412.40
  6. Step 6: Final answer
    x = 13,209,439.43

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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.