Home / 12,998,196.60-17,938,521.21-7,197,518.04

Finding the Fourth Proportional to 12,998,196.60, 17,938,521.21 and 7,197,518.04

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Solution

The fourth proportional to 12,998,196.60, 17,938,521.21 and 7,197,518.04 is: 9,933,134.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,998,196.60 : 17,938,521.21 = 7,197,518.04 : x
  2. Step 2: Convert to fraction form
    12,998,196.60/17,938,521.21 = 7,197,518.04/x
  3. Step 3: Cross multiply
    12,998,196.60x = 17,938,521.21 × 7,197,518.04
  4. Step 4: Simplify right side
    12,998,196.60x = 129,112,830,019,897.64
  5. Step 5: Solve for x
    x = 129,112,830,019,897.64/12,998,196.60
  6. Step 6: Final answer
    x = 9,933,134.11

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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.