Home / 13,141,156.70-18,134,603.16-7,340,023.10

Finding the Fourth Proportional to 13,141,156.70, 18,134,603.16 and 7,340,023.10

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Solution

The fourth proportional to 13,141,156.70, 18,134,603.16 and 7,340,023.10 is: 10,129,124.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,141,156.70 : 18,134,603.16 = 7,340,023.10 : x
  2. Step 2: Convert to fraction form
    13,141,156.70/18,134,603.16 = 7,340,023.10/x
  3. Step 3: Cross multiply
    13,141,156.70x = 18,134,603.16 × 7,340,023.10
  4. Step 4: Simplify right side
    13,141,156.70x = 133,108,406,103,732.98
  5. Step 5: Solve for x
    x = 133,108,406,103,732.98/13,141,156.70
  6. Step 6: Final answer
    x = 10,129,124.03

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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.