Home / 12,942,263.70-17,860,697.64-7,141,419.11

Finding the Fourth Proportional to 12,942,263.70, 17,860,697.64 and 7,141,419.11

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Solution

The fourth proportional to 12,942,263.70, 17,860,697.64 and 7,141,419.11 is: 9,855,364.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,942,263.70 : 17,860,697.64 = 7,141,419.11 : x
  2. Step 2: Convert to fraction form
    12,942,263.70/17,860,697.64 = 7,141,419.11/x
  3. Step 3: Cross multiply
    12,942,263.70x = 17,860,697.64 × 7,141,419.11
  4. Step 4: Simplify right side
    12,942,263.70x = 127,550,727,328,144.11
  5. Step 5: Solve for x
    x = 127,550,727,328,144.11/12,942,263.70
  6. Step 6: Final answer
    x = 9,855,364.58

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1.5x scale

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.