Home / 11,969,300.40-17,980,525.20-7,423,710

Finding the Fourth Proportional to 11,969,300.40, 17,980,525.20 and 7,423,710

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Solution

The fourth proportional to 11,969,300.40, 17,980,525.20 and 7,423,710 is: 11,152,047.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,969,300.40 : 17,980,525.20 = 7,423,710 : x
  2. Step 2: Convert to fraction form
    11,969,300.40/17,980,525.20 = 7,423,710/x
  3. Step 3: Cross multiply
    11,969,300.40x = 17,980,525.20 × 7,423,710
  4. Step 4: Simplify right side
    11,969,300.40x = 133,482,204,732,492
  5. Step 5: Solve for x
    x = 133,482,204,732,492/11,969,300.40
  6. Step 6: Final answer
    x = 11,152,047.34

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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.