Home / 13,178,189.13-18,186,280.61-7,376,936.37

Finding the Fourth Proportional to 13,178,189.13, 18,186,280.61 and 7,376,936.37

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Solution

The fourth proportional to 13,178,189.13, 18,186,280.61 and 7,376,936.37 is: 10,180,384.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,178,189.13 : 18,186,280.61 = 7,376,936.37 : x
  2. Step 2: Convert to fraction form
    13,178,189.13/18,186,280.61 = 7,376,936.37/x
  3. Step 3: Cross multiply
    13,178,189.13x = 18,186,280.61 × 7,376,936.37
  4. Step 4: Simplify right side
    13,178,189.13x = 134,159,034,830,050.11
  5. Step 5: Solve for x
    x = 134,159,034,830,050.11/13,178,189.13
  6. Step 6: Final answer
    x = 10,180,384.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.