Home / 18,727,475.63-28,091,214.05-5,264,303.63

Finding the Fourth Proportional to 18,727,475.63, 28,091,214.05 and 5,264,303.63

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Solution

The fourth proportional to 18,727,475.63, 28,091,214.05 and 5,264,303.63 is: 7,896,455.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,727,475.63 : 28,091,214.05 = 5,264,303.63 : x
  2. Step 2: Convert to fraction form
    18,727,475.63/28,091,214.05 = 5,264,303.63/x
  3. Step 3: Cross multiply
    18,727,475.63x = 28,091,214.05 × 5,264,303.63
  4. Step 4: Simplify right side
    18,727,475.63x = 147,880,679,927,744.44
  5. Step 5: Solve for x
    x = 147,880,679,927,744.44/18,727,475.63
  6. Step 6: Final answer
    x = 7,896,455.61

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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.