Home / 12,484,402.20-18,721,937.70-4,909,800.60

Finding the Fourth Proportional to 12,484,402.20, 18,721,937.70 and 4,909,800.60

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Solution

The fourth proportional to 12,484,402.20, 18,721,937.70 and 4,909,800.60 is: 7,362,866.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484,402.20 : 18,721,937.70 = 4,909,800.60 : x
  2. Step 2: Convert to fraction form
    12,484,402.20/18,721,937.70 = 4,909,800.60/x
  3. Step 3: Cross multiply
    12,484,402.20x = 18,721,937.70 × 4,909,800.60
  4. Step 4: Simplify right side
    12,484,402.20x = 91,920,980,952,622.61
  5. Step 5: Solve for x
    x = 91,920,980,952,622.61/12,484,402.20
  6. Step 6: Final answer
    x = 7,362,866.04

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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.