Home / 45,706,749.28-68,564,109.73-12,917,662.78

Finding the Fourth Proportional to 45,706,749.28, 68,564,109.73 and 12,917,662.78

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Solution

The fourth proportional to 45,706,749.28, 68,564,109.73 and 12,917,662.78 is: 19,377,620.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,706,749.28 : 68,564,109.73 = 12,917,662.78 : x
  2. Step 2: Convert to fraction form
    45,706,749.28/68,564,109.73 = 12,917,662.78/x
  3. Step 3: Cross multiply
    45,706,749.28x = 68,564,109.73 × 12,917,662.78
  4. Step 4: Simplify right side
    45,706,749.28x = 885,688,048,330,343.75
  5. Step 5: Solve for x
    x = 885,688,048,330,343.75/45,706,749.28
  6. Step 6: Final answer
    x = 19,377,620.64

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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.