Home / 10,309,009.20-15,463,513.80-9,364,225.20

Finding the Fourth Proportional to 10,309,009.20, 15,463,513.80 and 9,364,225.20

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Solution

The fourth proportional to 10,309,009.20, 15,463,513.80 and 9,364,225.20 is: 14,046,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,309,009.20 : 15,463,513.80 = 9,364,225.20 : x
  2. Step 2: Convert to fraction form
    10,309,009.20/15,463,513.80 = 9,364,225.20/x
  3. Step 3: Cross multiply
    10,309,009.20x = 15,463,513.80 × 9,364,225.20
  4. Step 4: Simplify right side
    10,309,009.20x = 144,803,825,606,507.75
  5. Step 5: Solve for x
    x = 144,803,825,606,507.75/10,309,009.20
  6. Step 6: Final answer
    x = 14,046,337.80

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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.