Home / 20,331,742.23-28,057,678.02-11,630,060.19

Finding the Fourth Proportional to 20,331,742.23, 28,057,678.02 and 11,630,060.19

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Solution

The fourth proportional to 20,331,742.23, 28,057,678.02 and 11,630,060.19 is: 16,049,410.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,331,742.23 : 28,057,678.02 = 11,630,060.19 : x
  2. Step 2: Convert to fraction form
    20,331,742.23/28,057,678.02 = 11,630,060.19/x
  3. Step 3: Cross multiply
    20,331,742.23x = 28,057,678.02 × 11,630,060.19
  4. Step 4: Simplify right side
    20,331,742.23x = 326,312,484,164,240
  5. Step 5: Solve for x
    x = 326,312,484,164,240/20,331,742.23
  6. Step 6: Final answer
    x = 16,049,410.84

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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.