Home / 12,760,619.40-19,154,925.90-7,973,713.80

Finding the Fourth Proportional to 12,760,619.40, 19,154,925.90 and 7,973,713.80

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Solution

The fourth proportional to 12,760,619.40, 19,154,925.90 and 7,973,713.80 is: 11,969,316.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,760,619.40 : 19,154,925.90 = 7,973,713.80 : x
  2. Step 2: Convert to fraction form
    12,760,619.40/19,154,925.90 = 7,973,713.80/x
  3. Step 3: Cross multiply
    12,760,619.40x = 19,154,925.90 × 7,973,713.80
  4. Step 4: Simplify right side
    12,760,619.40x = 152,735,896,986,807.41
  5. Step 5: Solve for x
    x = 152,735,896,986,807.41/12,760,619.40
  6. Step 6: Final answer
    x = 11,969,316.86

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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.