Home / 12,462,798.30-18,680,200.65-5,273,108.70

Finding the Fourth Proportional to 12,462,798.30, 18,680,200.65 and 5,273,108.70

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Solution

The fourth proportional to 12,462,798.30, 18,680,200.65 and 5,273,108.70 is: 7,903,740.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,462,798.30 : 18,680,200.65 = 5,273,108.70 : x
  2. Step 2: Convert to fraction form
    12,462,798.30/18,680,200.65 = 5,273,108.70/x
  3. Step 3: Cross multiply
    12,462,798.30x = 18,680,200.65 × 5,273,108.70
  4. Step 4: Simplify right side
    12,462,798.30x = 98,502,728,565,260.66
  5. Step 5: Solve for x
    x = 98,502,728,565,260.66/12,462,798.30
  6. Step 6: Final answer
    x = 7,903,740.89

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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.