Home / 10,512,021.60-15,768,032.40-3,779,560.80

Finding the Fourth Proportional to 10,512,021.60, 15,768,032.40 and 3,779,560.80

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Solution

The fourth proportional to 10,512,021.60, 15,768,032.40 and 3,779,560.80 is: 5,669,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512,021.60 : 15,768,032.40 = 3,779,560.80 : x
  2. Step 2: Convert to fraction form
    10,512,021.60/15,768,032.40 = 3,779,560.80/x
  3. Step 3: Cross multiply
    10,512,021.60x = 15,768,032.40 × 3,779,560.80
  4. Step 4: Simplify right side
    10,512,021.60x = 59,596,237,152,169.92
  5. Step 5: Solve for x
    x = 59,596,237,152,169.92/10,512,021.60
  6. Step 6: Final answer
    x = 5,669,341.20

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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.