Home / 12,477,053.80-18,715,580.70-7,083,620.20

Finding the Fourth Proportional to 12,477,053.80, 18,715,580.70 and 7,083,620.20

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Solution

The fourth proportional to 12,477,053.80, 18,715,580.70 and 7,083,620.20 is: 10,625,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,477,053.80 : 18,715,580.70 = 7,083,620.20 : x
  2. Step 2: Convert to fraction form
    12,477,053.80/18,715,580.70 = 7,083,620.20/x
  3. Step 3: Cross multiply
    12,477,053.80x = 18,715,580.70 × 7,083,620.20
  4. Step 4: Simplify right side
    12,477,053.80x = 132,574,065,501,250.14
  5. Step 5: Solve for x
    x = 132,574,065,501,250.14/12,477,053.80
  6. Step 6: Final answer
    x = 10,625,430.30

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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.