Home / 25,455,153.90-35,129,269.11-15,001,611.39

Finding the Fourth Proportional to 25,455,153.90, 35,129,269.11 and 15,001,611.39

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Solution

The fourth proportional to 25,455,153.90, 35,129,269.11 and 15,001,611.39 is: 20,702,905.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,455,153.90 : 35,129,269.11 = 15,001,611.39 : x
  2. Step 2: Convert to fraction form
    25,455,153.90/35,129,269.11 = 15,001,611.39/x
  3. Step 3: Cross multiply
    25,455,153.90x = 35,129,269.11 × 15,001,611.39
  4. Step 4: Simplify right side
    25,455,153.90x = 526,995,643,602,951.19
  5. Step 5: Solve for x
    x = 526,995,643,602,951.19/25,455,153.90
  6. Step 6: Final answer
    x = 20,702,905.42

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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.