Home / 30,649,809.30-42,297,066.74-16,711,050.52

Finding the Fourth Proportional to 30,649,809.30, 42,297,066.74 and 16,711,050.52

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Solution

The fourth proportional to 30,649,809.30, 42,297,066.74 and 16,711,050.52 is: 23,061,429.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,649,809.30 : 42,297,066.74 = 16,711,050.52 : x
  2. Step 2: Convert to fraction form
    30,649,809.30/42,297,066.74 = 16,711,050.52/x
  3. Step 3: Cross multiply
    30,649,809.30x = 42,297,066.74 × 16,711,050.52
  4. Step 4: Simplify right side
    30,649,809.30x = 706,828,419,139,951.75
  5. Step 5: Solve for x
    x = 706,828,419,139,951.75/30,649,809.30
  6. Step 6: Final answer
    x = 23,061,429.59

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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.