Home / 12,402,065.40-17,115,049.26-6,820,532.52

Finding the Fourth Proportional to 12,402,065.40, 17,115,049.26 and 6,820,532.52

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Solution

The fourth proportional to 12,402,065.40, 17,115,049.26 and 6,820,532.52 is: 9,412,444.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,402,065.40 : 17,115,049.26 = 6,820,532.52 : x
  2. Step 2: Convert to fraction form
    12,402,065.40/17,115,049.26 = 6,820,532.52/x
  3. Step 3: Cross multiply
    12,402,065.40x = 17,115,049.26 × 6,820,532.52
  4. Step 4: Simplify right side
    12,402,065.40x = 116,733,750,059,231.94
  5. Step 5: Solve for x
    x = 116,733,750,059,231.94/12,402,065.40
  6. Step 6: Final answer
    x = 9,412,444.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.