Home / 15,606,005.40-23,409,008.10-12,769,320.60

Finding the Fourth Proportional to 15,606,005.40, 23,409,008.10 and 12,769,320.60

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Solution

The fourth proportional to 15,606,005.40, 23,409,008.10 and 12,769,320.60 is: 19,153,980.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,606,005.40 : 23,409,008.10 = 12,769,320.60 : x
  2. Step 2: Convert to fraction form
    15,606,005.40/23,409,008.10 = 12,769,320.60/x
  3. Step 3: Cross multiply
    15,606,005.40x = 23,409,008.10 × 12,769,320.60
  4. Step 4: Simplify right side
    15,606,005.40x = 298,917,129,356,896.88
  5. Step 5: Solve for x
    x = 298,917,129,356,896.88/15,606,005.40
  6. Step 6: Final answer
    x = 19,153,980.90

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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.