Home / 30,465,889.52-42,042,927.54-17,413,428.69

Finding the Fourth Proportional to 30,465,889.52, 42,042,927.54 and 17,413,428.69

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Solution

The fourth proportional to 30,465,889.52, 42,042,927.54 and 17,413,428.69 is: 24,030,531.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,465,889.52 : 42,042,927.54 = 17,413,428.69 : x
  2. Step 2: Convert to fraction form
    30,465,889.52/42,042,927.54 = 17,413,428.69/x
  3. Step 3: Cross multiply
    30,465,889.52x = 42,042,927.54 × 17,413,428.69
  4. Step 4: Simplify right side
    30,465,889.52x = 732,111,520,636,627.12
  5. Step 5: Solve for x
    x = 732,111,520,636,627.12/30,465,889.52
  6. Step 6: Final answer
    x = 24,030,531.59

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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.