Home / 15,345,500.70-21,173,629.75-8,817,869.02

Finding the Fourth Proportional to 15,345,500.70, 21,173,629.75 and 8,817,869.02

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Solution

The fourth proportional to 15,345,500.70, 21,173,629.75 and 8,817,869.02 is: 12,166,842.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,345,500.70 : 21,173,629.75 = 8,817,869.02 : x
  2. Step 2: Convert to fraction form
    15,345,500.70/21,173,629.75 = 8,817,869.02/x
  3. Step 3: Cross multiply
    15,345,500.70x = 21,173,629.75 × 8,817,869.02
  4. Step 4: Simplify right side
    15,345,500.70x = 186,706,293,738,496.59
  5. Step 5: Solve for x
    x = 186,706,293,738,496.59/15,345,500.70
  6. Step 6: Final answer
    x = 12,166,842.74

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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.