Home / 10,347,456.64-15,440,259.68-9,271,538.56

Finding the Fourth Proportional to 10,347,456.64, 15,440,259.68 and 9,271,538.56

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Solution

The fourth proportional to 10,347,456.64, 15,440,259.68 and 9,271,538.56 is: 13,834,797.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347,456.64 : 15,440,259.68 = 9,271,538.56 : x
  2. Step 2: Convert to fraction form
    10,347,456.64/15,440,259.68 = 9,271,538.56/x
  3. Step 3: Cross multiply
    10,347,456.64x = 15,440,259.68 × 9,271,538.56
  4. Step 4: Simplify right side
    10,347,456.64x = 143,154,962,999,533.28
  5. Step 5: Solve for x
    x = 143,154,962,999,533.28/10,347,456.64
  6. Step 6: Final answer
    x = 13,834,797.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.