Home / 17,672,485.60-26,508,728.40-9,169,429.60

Finding the Fourth Proportional to 17,672,485.60, 26,508,728.40 and 9,169,429.60

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Solution

The fourth proportional to 17,672,485.60, 26,508,728.40 and 9,169,429.60 is: 13,754,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,672,485.60 : 26,508,728.40 = 9,169,429.60 : x
  2. Step 2: Convert to fraction form
    17,672,485.60/26,508,728.40 = 9,169,429.60/x
  3. Step 3: Cross multiply
    17,672,485.60x = 26,508,728.40 × 9,169,429.60
  4. Step 4: Simplify right side
    17,672,485.60x = 243,069,918,849,320.62
  5. Step 5: Solve for x
    x = 243,069,918,849,320.62/17,672,485.60
  6. Step 6: Final answer
    x = 13,754,144.40

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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.