Home / 15,337,205.16-21,166,607.88-8,723,864.88

Finding the Fourth Proportional to 15,337,205.16, 21,166,607.88 and 8,723,864.88

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Solution

The fourth proportional to 15,337,205.16, 21,166,607.88 and 8,723,864.88 is: 12,039,652.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,337,205.16 : 21,166,607.88 = 8,723,864.88 : x
  2. Step 2: Convert to fraction form
    15,337,205.16/21,166,607.88 = 8,723,864.88/x
  3. Step 3: Cross multiply
    15,337,205.16x = 21,166,607.88 × 8,723,864.88
  4. Step 4: Simplify right side
    15,337,205.16x = 184,654,627,113,063.25
  5. Step 5: Solve for x
    x = 184,654,627,113,063.25/15,337,205.16
  6. Step 6: Final answer
    x = 12,039,652.93

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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.