Home / 28,811,034.12-43,210,359.18-9,116,721.60

Finding the Fourth Proportional to 28,811,034.12, 43,210,359.18 and 9,116,721.60

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Solution

The fourth proportional to 28,811,034.12, 43,210,359.18 and 9,116,721.60 is: 13,673,123.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,811,034.12 : 43,210,359.18 = 9,116,721.60 : x
  2. Step 2: Convert to fraction form
    28,811,034.12/43,210,359.18 = 9,116,721.60/x
  3. Step 3: Cross multiply
    28,811,034.12x = 43,210,359.18 × 9,116,721.60
  4. Step 4: Simplify right side
    28,811,034.12x = 393,936,814,880,064.25
  5. Step 5: Solve for x
    x = 393,936,814,880,064.25/28,811,034.12
  6. Step 6: Final answer
    x = 13,673,123.06

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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.