Home / 9,966,279.60-14,949,419.40-9,777,322.80

Finding the Fourth Proportional to 9,966,279.60, 14,949,419.40 and 9,777,322.80

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Solution

The fourth proportional to 9,966,279.60, 14,949,419.40 and 9,777,322.80 is: 14,665,984.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966,279.60 : 14,949,419.40 = 9,777,322.80 : x
  2. Step 2: Convert to fraction form
    9,966,279.60/14,949,419.40 = 9,777,322.80/x
  3. Step 3: Cross multiply
    9,966,279.60x = 14,949,419.40 × 9,777,322.80
  4. Step 4: Simplify right side
    9,966,279.60x = 146,165,299,146,382.34
  5. Step 5: Solve for x
    x = 146,165,299,146,382.34/9,966,279.60
  6. Step 6: Final answer
    x = 14,665,984.20

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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.