Home / 30,354,631.15-41,889,516.32-16,415,985.95

Finding the Fourth Proportional to 30,354,631.15, 41,889,516.32 and 16,415,985.95

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Solution

The fourth proportional to 30,354,631.15, 41,889,516.32 and 16,415,985.95 is: 22,654,128.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,354,631.15 : 41,889,516.32 = 16,415,985.95 : x
  2. Step 2: Convert to fraction form
    30,354,631.15/41,889,516.32 = 16,415,985.95/x
  3. Step 3: Cross multiply
    30,354,631.15x = 41,889,516.32 × 16,415,985.95
  4. Step 4: Simplify right side
    30,354,631.15x = 687,657,711,151,968.12
  5. Step 5: Solve for x
    x = 687,657,711,151,968.12/30,354,631.15
  6. Step 6: Final answer
    x = 22,654,128.39

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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.