Home / 12,952,005.80-19,428,008.70-3,975,391.40

Finding the Fourth Proportional to 12,952,005.80, 19,428,008.70 and 3,975,391.40

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Solution

The fourth proportional to 12,952,005.80, 19,428,008.70 and 3,975,391.40 is: 5,963,087.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,952,005.80 : 19,428,008.70 = 3,975,391.40 : x
  2. Step 2: Convert to fraction form
    12,952,005.80/19,428,008.70 = 3,975,391.40/x
  3. Step 3: Cross multiply
    12,952,005.80x = 19,428,008.70 × 3,975,391.40
  4. Step 4: Simplify right side
    12,952,005.80x = 77,233,938,705,105.17
  5. Step 5: Solve for x
    x = 77,233,938,705,105.17/12,952,005.80
  6. Step 6: Final answer
    x = 5,963,087.10

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1.5x scale

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.