Home / 12,301,339.10-18,452,008.65-6,561,776.30

Finding the Fourth Proportional to 12,301,339.10, 18,452,008.65 and 6,561,776.30

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Solution

The fourth proportional to 12,301,339.10, 18,452,008.65 and 6,561,776.30 is: 9,842,664.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301,339.10 : 18,452,008.65 = 6,561,776.30 : x
  2. Step 2: Convert to fraction form
    12,301,339.10/18,452,008.65 = 6,561,776.30/x
  3. Step 3: Cross multiply
    12,301,339.10x = 18,452,008.65 × 6,561,776.30
  4. Step 4: Simplify right side
    12,301,339.10x = 121,077,953,046,964.98
  5. Step 5: Solve for x
    x = 121,077,953,046,964.98/12,301,339.10
  6. Step 6: Final answer
    x = 9,842,664.45

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Double scale
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Similar ratio
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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.