Home / 12,938,708.32-17,849,910-9,494,965.60

Finding the Fourth Proportional to 12,938,708.32, 17,849,910 and 9,494,965.60

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Solution

The fourth proportional to 12,938,708.32, 17,849,910 and 9,494,965.60 is: 13,099,010.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,938,708.32 : 17,849,910 = 9,494,965.60 : x
  2. Step 2: Convert to fraction form
    12,938,708.32/17,849,910 = 9,494,965.60/x
  3. Step 3: Cross multiply
    12,938,708.32x = 17,849,910 × 9,494,965.60
  4. Step 4: Simplify right side
    12,938,708.32x = 169,484,281,413,096
  5. Step 5: Solve for x
    x = 169,484,281,413,096/12,938,708.32
  6. Step 6: Final answer
    x = 13,099,010.91

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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.