Home / 21,373,919.80-32,064,767.70-6,992,985.40

Finding the Fourth Proportional to 21,373,919.80, 32,064,767.70 and 6,992,985.40

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Solution

The fourth proportional to 21,373,919.80, 32,064,767.70 and 6,992,985.40 is: 10,490,750.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,373,919.80 : 32,064,767.70 = 6,992,985.40 : x
  2. Step 2: Convert to fraction form
    21,373,919.80/32,064,767.70 = 6,992,985.40/x
  3. Step 3: Cross multiply
    21,373,919.80x = 32,064,767.70 × 6,992,985.40
  4. Step 4: Simplify right side
    21,373,919.80x = 224,228,452,380,491.59
  5. Step 5: Solve for x
    x = 224,228,452,380,491.59/21,373,919.80
  6. Step 6: Final answer
    x = 10,490,750.15

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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.