Home / 12,484,394.70-18,721,926.45-4,909,793.10

Finding the Fourth Proportional to 12,484,394.70, 18,721,926.45 and 4,909,793.10

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Solution

The fourth proportional to 12,484,394.70, 18,721,926.45 and 4,909,793.10 is: 7,362,854.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484,394.70 : 18,721,926.45 = 4,909,793.10 : x
  2. Step 2: Convert to fraction form
    12,484,394.70/18,721,926.45 = 4,909,793.10/x
  3. Step 3: Cross multiply
    12,484,394.70x = 18,721,926.45 × 4,909,793.10
  4. Step 4: Simplify right side
    12,484,394.70x = 91,920,785,302,917.48
  5. Step 5: Solve for x
    x = 91,920,785,302,917.48/12,484,394.70
  6. Step 6: Final answer
    x = 7,362,854.79

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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.