Home / 28,867,309.80-43,300,964.70-8,669,927.40

Finding the Fourth Proportional to 28,867,309.80, 43,300,964.70 and 8,669,927.40

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Solution

The fourth proportional to 28,867,309.80, 43,300,964.70 and 8,669,927.40 is: 13,004,891.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,867,309.80 : 43,300,964.70 = 8,669,927.40 : x
  2. Step 2: Convert to fraction form
    28,867,309.80/43,300,964.70 = 8,669,927.40/x
  3. Step 3: Cross multiply
    28,867,309.80x = 43,300,964.70 × 8,669,927.40
  4. Step 4: Simplify right side
    28,867,309.80x = 375,416,220,298,962.81
  5. Step 5: Solve for x
    x = 375,416,220,298,962.81/28,867,309.80
  6. Step 6: Final answer
    x = 13,004,891.10

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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.