Home / 20,493,999.90-30,740,999.85-5,347,931.40

Finding the Fourth Proportional to 20,493,999.90, 30,740,999.85 and 5,347,931.40

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Solution

The fourth proportional to 20,493,999.90, 30,740,999.85 and 5,347,931.40 is: 8,021,897.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,493,999.90 : 30,740,999.85 = 5,347,931.40 : x
  2. Step 2: Convert to fraction form
    20,493,999.90/30,740,999.85 = 5,347,931.40/x
  3. Step 3: Cross multiply
    20,493,999.90x = 30,740,999.85 × 5,347,931.40
  4. Step 4: Simplify right side
    20,493,999.90x = 164,400,758,365,210.31
  5. Step 5: Solve for x
    x = 164,400,758,365,210.31/20,493,999.90
  6. Step 6: Final answer
    x = 8,021,897.10

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1.5x scale

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.