Home / 29,121,989.40-40,196,339.10-16,902,783

Finding the Fourth Proportional to 29,121,989.40, 40,196,339.10 and 16,902,783

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Solution

The fourth proportional to 29,121,989.40, 40,196,339.10 and 16,902,783 is: 23,330,480.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,121,989.40 : 40,196,339.10 = 16,902,783 : x
  2. Step 2: Convert to fraction form
    29,121,989.40/40,196,339.10 = 16,902,783/x
  3. Step 3: Cross multiply
    29,121,989.40x = 40,196,339.10 × 16,902,783
  4. Step 4: Simplify right side
    29,121,989.40x = 679,429,997,201,715.38
  5. Step 5: Solve for x
    x = 679,429,997,201,715.38/29,121,989.40
  6. Step 6: Final answer
    x = 23,330,480.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.