Home / 20,406,228.60-30,609,342.90-14,036,129.40

Finding the Fourth Proportional to 20,406,228.60, 30,609,342.90 and 14,036,129.40

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Solution

The fourth proportional to 20,406,228.60, 30,609,342.90 and 14,036,129.40 is: 21,054,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,406,228.60 : 30,609,342.90 = 14,036,129.40 : x
  2. Step 2: Convert to fraction form
    20,406,228.60/30,609,342.90 = 14,036,129.40/x
  3. Step 3: Cross multiply
    20,406,228.60x = 30,609,342.90 × 14,036,129.40
  4. Step 4: Simplify right side
    20,406,228.60x = 429,636,697,793,371.25
  5. Step 5: Solve for x
    x = 429,636,697,793,371.25/20,406,228.60
  6. Step 6: Final answer
    x = 21,054,194.10

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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.