Home / 12,304,434.28-16,979,602.14-7,077,047.68

Finding the Fourth Proportional to 12,304,434.28, 16,979,602.14 and 7,077,047.68

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Solution

The fourth proportional to 12,304,434.28, 16,979,602.14 and 7,077,047.68 is: 9,766,028.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,304,434.28 : 16,979,602.14 = 7,077,047.68 : x
  2. Step 2: Convert to fraction form
    12,304,434.28/16,979,602.14 = 7,077,047.68/x
  3. Step 3: Cross multiply
    12,304,434.28x = 16,979,602.14 × 7,077,047.68
  4. Step 4: Simplify right side
    12,304,434.28x = 120,165,453,932,210.03
  5. Step 5: Solve for x
    x = 120,165,453,932,210.03/12,304,434.28
  6. Step 6: Final answer
    x = 9,766,028.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.