Home / 12,258,051.40-18,387,077.10-8,006,523.40

Finding the Fourth Proportional to 12,258,051.40, 18,387,077.10 and 8,006,523.40

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Solution

The fourth proportional to 12,258,051.40, 18,387,077.10 and 8,006,523.40 is: 12,009,785.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258,051.40 : 18,387,077.10 = 8,006,523.40 : x
  2. Step 2: Convert to fraction form
    12,258,051.40/18,387,077.10 = 8,006,523.40/x
  3. Step 3: Cross multiply
    12,258,051.40x = 18,387,077.10 × 8,006,523.40
  4. Step 4: Simplify right side
    12,258,051.40x = 147,216,563,058,754.16
  5. Step 5: Solve for x
    x = 147,216,563,058,754.16/12,258,051.40
  6. Step 6: Final answer
    x = 12,009,785.10

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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.