Home / 11,886,432.40-17,829,648.60-10,185,821.20

Finding the Fourth Proportional to 11,886,432.40, 17,829,648.60 and 10,185,821.20

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Solution

The fourth proportional to 11,886,432.40, 17,829,648.60 and 10,185,821.20 is: 15,278,731.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,886,432.40 : 17,829,648.60 = 10,185,821.20 : x
  2. Step 2: Convert to fraction form
    11,886,432.40/17,829,648.60 = 10,185,821.20/x
  3. Step 3: Cross multiply
    11,886,432.40x = 17,829,648.60 × 10,185,821.20
  4. Step 4: Simplify right side
    11,886,432.40x = 181,609,612,698,430.31
  5. Step 5: Solve for x
    x = 181,609,612,698,430.31/11,886,432.40
  6. Step 6: Final answer
    x = 15,278,731.80

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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.