Home / 11,018,712.60-16,528,068.90-7,979,657.40

Finding the Fourth Proportional to 11,018,712.60, 16,528,068.90 and 7,979,657.40

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Solution

The fourth proportional to 11,018,712.60, 16,528,068.90 and 7,979,657.40 is: 11,969,486.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,018,712.60 : 16,528,068.90 = 7,979,657.40 : x
  2. Step 2: Convert to fraction form
    11,018,712.60/16,528,068.90 = 7,979,657.40/x
  3. Step 3: Cross multiply
    11,018,712.60x = 16,528,068.90 × 7,979,657.40
  4. Step 4: Simplify right side
    11,018,712.60x = 131,888,327,305,594.88
  5. Step 5: Solve for x
    x = 131,888,327,305,594.88/11,018,712.60
  6. Step 6: Final answer
    x = 11,969,486.10

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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.