Home / 22,101,773.63-30,502,059.64-12,811,742.08

Finding the Fourth Proportional to 22,101,773.63, 30,502,059.64 and 12,811,742.08

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Solution

The fourth proportional to 22,101,773.63, 30,502,059.64 and 12,811,742.08 is: 17,681,138.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,101,773.63 : 30,502,059.64 = 12,811,742.08 : x
  2. Step 2: Convert to fraction form
    22,101,773.63/30,502,059.64 = 12,811,742.08/x
  3. Step 3: Cross multiply
    22,101,773.63x = 30,502,059.64 × 12,811,742.08
  4. Step 4: Simplify right side
    22,101,773.63x = 390,784,520,908,173.12
  5. Step 5: Solve for x
    x = 390,784,520,908,173.12/22,101,773.63
  6. Step 6: Final answer
    x = 17,681,138.52

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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.