Home / 12,907,957.60-19,359,862.80-3,930,421.60

Finding the Fourth Proportional to 12,907,957.60, 19,359,862.80 and 3,930,421.60

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Solution

The fourth proportional to 12,907,957.60, 19,359,862.80 and 3,930,421.60 is: 5,895,001.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,907,957.60 : 19,359,862.80 = 3,930,421.60 : x
  2. Step 2: Convert to fraction form
    12,907,957.60/19,359,862.80 = 3,930,421.60/x
  3. Step 3: Cross multiply
    12,907,957.60x = 19,359,862.80 × 3,930,421.60
  4. Step 4: Simplify right side
    12,907,957.60x = 76,092,422,922,156.48
  5. Step 5: Solve for x
    x = 76,092,422,922,156.48/12,907,957.60
  6. Step 6: Final answer
    x = 5,895,001.00

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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.