Home / 12,432,638.55-17,032,775.58-11,966,666.63

Finding the Fourth Proportional to 12,432,638.55, 17,032,775.58 and 11,966,666.63

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Solution

The fourth proportional to 12,432,638.55, 17,032,775.58 and 11,966,666.63 is: 16,394,391.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432,638.55 : 17,032,775.58 = 11,966,666.63 : x
  2. Step 2: Convert to fraction form
    12,432,638.55/17,032,775.58 = 11,966,666.63/x
  3. Step 3: Cross multiply
    12,432,638.55x = 17,032,775.58 × 11,966,666.63
  4. Step 4: Simplify right side
    12,432,638.55x = 203,825,547,064,301
  5. Step 5: Solve for x
    x = 203,825,547,064,301/12,432,638.55
  6. Step 6: Final answer
    x = 16,394,391.77

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.