Home / 13,306,837.80-19,960,256.70-7,260,220.20

Finding the Fourth Proportional to 13,306,837.80, 19,960,256.70 and 7,260,220.20

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Solution

The fourth proportional to 13,306,837.80, 19,960,256.70 and 7,260,220.20 is: 10,890,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,837.80 : 19,960,256.70 = 7,260,220.20 : x
  2. Step 2: Convert to fraction form
    13,306,837.80/19,960,256.70 = 7,260,220.20/x
  3. Step 3: Cross multiply
    13,306,837.80x = 19,960,256.70 × 7,260,220.20
  4. Step 4: Simplify right side
    13,306,837.80x = 144,915,858,890,525.34
  5. Step 5: Solve for x
    x = 144,915,858,890,525.34/13,306,837.80
  6. Step 6: Final answer
    x = 10,890,330.30

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1.5x scale

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.