Home / 19,674,921.20-29,512,381.80-15,565,110.80

Finding the Fourth Proportional to 19,674,921.20, 29,512,381.80 and 15,565,110.80

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Solution

The fourth proportional to 19,674,921.20, 29,512,381.80 and 15,565,110.80 is: 23,347,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,674,921.20 : 29,512,381.80 = 15,565,110.80 : x
  2. Step 2: Convert to fraction form
    19,674,921.20/29,512,381.80 = 15,565,110.80/x
  3. Step 3: Cross multiply
    19,674,921.20x = 29,512,381.80 × 15,565,110.80
  4. Step 4: Simplify right side
    19,674,921.20x = 459,363,492,688,903.50
  5. Step 5: Solve for x
    x = 459,363,492,688,903.50/19,674,921.20
  6. Step 6: Final answer
    x = 23,347,666.20

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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.