Home / 28,962,856.80-43,431,454.80-9,788,407.20

Finding the Fourth Proportional to 28,962,856.80, 43,431,454.80 and 9,788,407.20

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Solution

The fourth proportional to 28,962,856.80, 43,431,454.80 and 9,788,407.20 is: 14,678,274.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,962,856.80 : 43,431,454.80 = 9,788,407.20 : x
  2. Step 2: Convert to fraction form
    28,962,856.80/43,431,454.80 = 9,788,407.20/x
  3. Step 3: Cross multiply
    28,962,856.80x = 43,431,454.80 × 9,788,407.20
  4. Step 4: Simplify right side
    28,962,856.80x = 425,124,764,870,794.50
  5. Step 5: Solve for x
    x = 425,124,764,870,794.50/28,962,856.80
  6. Step 6: Final answer
    x = 14,678,274.58

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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.