Home / 37,440,426.45-51,666,797.28-20,920,686.75

Finding the Fourth Proportional to 37,440,426.45, 51,666,797.28 and 20,920,686.75

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Solution

The fourth proportional to 37,440,426.45, 51,666,797.28 and 20,920,686.75 is: 28,869,993.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,440,426.45 : 51,666,797.28 = 20,920,686.75 : x
  2. Step 2: Convert to fraction form
    37,440,426.45/51,666,797.28 = 20,920,686.75/x
  3. Step 3: Cross multiply
    37,440,426.45x = 51,666,797.28 × 20,920,686.75
  4. Step 4: Simplify right side
    37,440,426.45x = 1,080,904,881,270,632.12
  5. Step 5: Solve for x
    x = 1,080,904,881,270,632.12/37,440,426.45
  6. Step 6: Final answer
    x = 28,869,993.85

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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.