Home / 12,013,749.64-16,578,842.58-6,506,987.56

Finding the Fourth Proportional to 12,013,749.64, 16,578,842.58 and 6,506,987.56

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Solution

The fourth proportional to 12,013,749.64, 16,578,842.58 and 6,506,987.56 is: 8,979,571.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,013,749.64 : 16,578,842.58 = 6,506,987.56 : x
  2. Step 2: Convert to fraction form
    12,013,749.64/16,578,842.58 = 6,506,987.56/x
  3. Step 3: Cross multiply
    12,013,749.64x = 16,578,842.58 × 6,506,987.56
  4. Step 4: Simplify right side
    12,013,749.64x = 107,878,322,427,258.30
  5. Step 5: Solve for x
    x = 107,878,322,427,258.30/12,013,749.64
  6. Step 6: Final answer
    x = 8,979,571.38

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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.