Home / 13,818,523.40-20,727,785.10-6,626,355.20

Finding the Fourth Proportional to 13,818,523.40, 20,727,785.10 and 6,626,355.20

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Solution

The fourth proportional to 13,818,523.40, 20,727,785.10 and 6,626,355.20 is: 9,939,532.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818,523.40 : 20,727,785.10 = 6,626,355.20 : x
  2. Step 2: Convert to fraction form
    13,818,523.40/20,727,785.10 = 6,626,355.20/x
  3. Step 3: Cross multiply
    13,818,523.40x = 20,727,785.10 × 6,626,355.20
  4. Step 4: Simplify right side
    13,818,523.40x = 137,349,666,581,867.53
  5. Step 5: Solve for x
    x = 137,349,666,581,867.53/13,818,523.40
  6. Step 6: Final answer
    x = 9,939,532.80

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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.