Home / 13,437,041.20-20,155,561.80-10,077,809.20

Finding the Fourth Proportional to 13,437,041.20, 20,155,561.80 and 10,077,809.20

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Solution

The fourth proportional to 13,437,041.20, 20,155,561.80 and 10,077,809.20 is: 15,116,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,437,041.20 : 20,155,561.80 = 10,077,809.20 : x
  2. Step 2: Convert to fraction form
    13,437,041.20/20,155,561.80 = 10,077,809.20/x
  3. Step 3: Cross multiply
    13,437,041.20x = 20,155,561.80 × 10,077,809.20
  4. Step 4: Simplify right side
    13,437,041.20x = 203,123,906,139,208.56
  5. Step 5: Solve for x
    x = 203,123,906,139,208.56/13,437,041.20
  6. Step 6: Final answer
    x = 15,116,713.80

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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.