Home / 12,456,670.60-18,685,005.90-11,110,353.40

Finding the Fourth Proportional to 12,456,670.60, 18,685,005.90 and 11,110,353.40

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Solution

The fourth proportional to 12,456,670.60, 18,685,005.90 and 11,110,353.40 is: 16,665,530.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456,670.60 : 18,685,005.90 = 11,110,353.40 : x
  2. Step 2: Convert to fraction form
    12,456,670.60/18,685,005.90 = 11,110,353.40/x
  3. Step 3: Cross multiply
    12,456,670.60x = 18,685,005.90 × 11,110,353.40
  4. Step 4: Simplify right side
    12,456,670.60x = 207,597,018,830,085.06
  5. Step 5: Solve for x
    x = 207,597,018,830,085.06/12,456,670.60
  6. Step 6: Final answer
    x = 16,665,530.10

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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.