Home / 28,774,051.86-39,708,234.22-16,384,155.36

Finding the Fourth Proportional to 28,774,051.86, 39,708,234.22 and 16,384,155.36

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Solution

The fourth proportional to 28,774,051.86, 39,708,234.22 and 16,384,155.36 is: 22,610,158.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,774,051.86 : 39,708,234.22 = 16,384,155.36 : x
  2. Step 2: Convert to fraction form
    28,774,051.86/39,708,234.22 = 16,384,155.36/x
  3. Step 3: Cross multiply
    28,774,051.86x = 39,708,234.22 × 16,384,155.36
  4. Step 4: Simplify right side
    28,774,051.86x = 650,585,878,531,748.38
  5. Step 5: Solve for x
    x = 650,585,878,531,748.38/28,774,051.86
  6. Step 6: Final answer
    x = 22,610,158.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.