Home / 13,392,007.80-20,088,011.70-7,004,218.20

Finding the Fourth Proportional to 13,392,007.80, 20,088,011.70 and 7,004,218.20

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Solution

The fourth proportional to 13,392,007.80, 20,088,011.70 and 7,004,218.20 is: 10,506,327.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,392,007.80 : 20,088,011.70 = 7,004,218.20 : x
  2. Step 2: Convert to fraction form
    13,392,007.80/20,088,011.70 = 7,004,218.20/x
  3. Step 3: Cross multiply
    13,392,007.80x = 20,088,011.70 × 7,004,218.20
  4. Step 4: Simplify right side
    13,392,007.80x = 140,700,817,150,952.94
  5. Step 5: Solve for x
    x = 140,700,817,150,952.94/13,392,007.80
  6. Step 6: Final answer
    x = 10,506,327.30

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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.