Home / 28,365,886.08-42,533,899.20-19,393,004.16

Finding the Fourth Proportional to 28,365,886.08, 42,533,899.20 and 19,393,004.16

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Solution

The fourth proportional to 28,365,886.08, 42,533,899.20 and 19,393,004.16 is: 29,079,299.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,365,886.08 : 42,533,899.20 = 19,393,004.16 : x
  2. Step 2: Convert to fraction form
    28,365,886.08/42,533,899.20 = 19,393,004.16/x
  3. Step 3: Cross multiply
    28,365,886.08x = 42,533,899.20 × 19,393,004.16
  4. Step 4: Simplify right side
    28,365,886.08x = 824,860,084,126,620.75
  5. Step 5: Solve for x
    x = 824,860,084,126,620.75/28,365,886.08
  6. Step 6: Final answer
    x = 29,079,299.05

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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.