Home / 16,128,935.40-24,168,519.90-13,988,980.20

Finding the Fourth Proportional to 16,128,935.40, 24,168,519.90 and 13,988,980.20

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Solution

The fourth proportional to 16,128,935.40, 24,168,519.90 and 13,988,980.20 is: 20,961,888.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128,935.40 : 24,168,519.90 = 13,988,980.20 : x
  2. Step 2: Convert to fraction form
    16,128,935.40/24,168,519.90 = 13,988,980.20/x
  3. Step 3: Cross multiply
    16,128,935.40x = 24,168,519.90 × 13,988,980.20
  4. Step 4: Simplify right side
    16,128,935.40x = 338,092,946,344,405.94
  5. Step 5: Solve for x
    x = 338,092,946,344,405.94/16,128,935.40
  6. Step 6: Final answer
    x = 20,961,888.55

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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.