Home / 19,872,003.70-29,808,005.55-5,688,579.70

Finding the Fourth Proportional to 19,872,003.70, 29,808,005.55 and 5,688,579.70

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Solution

The fourth proportional to 19,872,003.70, 29,808,005.55 and 5,688,579.70 is: 8,532,869.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,872,003.70 : 29,808,005.55 = 5,688,579.70 : x
  2. Step 2: Convert to fraction form
    19,872,003.70/29,808,005.55 = 5,688,579.70/x
  3. Step 3: Cross multiply
    19,872,003.70x = 29,808,005.55 × 5,688,579.70
  4. Step 4: Simplify right side
    19,872,003.70x = 169,565,215,269,217.34
  5. Step 5: Solve for x
    x = 169,565,215,269,217.34/19,872,003.70
  6. Step 6: Final answer
    x = 8,532,869.55

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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.