Home / 19,251,344.40-28,877,016.60-15,472,208.40

Finding the Fourth Proportional to 19,251,344.40, 28,877,016.60 and 15,472,208.40

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Solution

The fourth proportional to 19,251,344.40, 28,877,016.60 and 15,472,208.40 is: 23,208,312.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251,344.40 : 28,877,016.60 = 15,472,208.40 : x
  2. Step 2: Convert to fraction form
    19,251,344.40/28,877,016.60 = 15,472,208.40/x
  3. Step 3: Cross multiply
    19,251,344.40x = 28,877,016.60 × 15,472,208.40
  4. Step 4: Simplify right side
    19,251,344.40x = 446,791,218,805,459.50
  5. Step 5: Solve for x
    x = 446,791,218,805,459.50/19,251,344.40
  6. Step 6: Final answer
    x = 23,208,312.60

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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.