Home / 28,920,860.84-43,381,104-7,355,276.20

Finding the Fourth Proportional to 28,920,860.84, 43,381,104 and 7,355,276.20

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Solution

The fourth proportional to 28,920,860.84, 43,381,104 and 7,355,276.20 is: 11,032,866.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,920,860.84 : 43,381,104 = 7,355,276.20 : x
  2. Step 2: Convert to fraction form
    28,920,860.84/43,381,104 = 7,355,276.20/x
  3. Step 3: Cross multiply
    28,920,860.84x = 43,381,104 × 7,355,276.20
  4. Step 4: Simplify right side
    28,920,860.84x = 319,080,001,780,924.81
  5. Step 5: Solve for x
    x = 319,080,001,780,924.81/28,920,860.84
  6. Step 6: Final answer
    x = 11,032,866.68

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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.