Home / 20,373,258-28,119,089.88-11,677,259.16

Finding the Fourth Proportional to 20,373,258, 28,119,089.88 and 11,677,259.16

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Solution

The fourth proportional to 20,373,258, 28,119,089.88 and 11,677,259.16 is: 16,116,906.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,373,258 : 28,119,089.88 = 11,677,259.16 : x
  2. Step 2: Convert to fraction form
    20,373,258/28,119,089.88 = 11,677,259.16/x
  3. Step 3: Cross multiply
    20,373,258x = 28,119,089.88 × 11,677,259.16
  4. Step 4: Simplify right side
    20,373,258x = 328,353,899,872,093.31
  5. Step 5: Solve for x
    x = 328,353,899,872,093.31/20,373,258
  6. Step 6: Final answer
    x = 16,116,906.77

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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.