Home / 13,306,419.10-19,959,628.65-4,785,648.40

Finding the Fourth Proportional to 13,306,419.10, 19,959,628.65 and 4,785,648.40

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Solution

The fourth proportional to 13,306,419.10, 19,959,628.65 and 4,785,648.40 is: 7,178,472.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,419.10 : 19,959,628.65 = 4,785,648.40 : x
  2. Step 2: Convert to fraction form
    13,306,419.10/19,959,628.65 = 4,785,648.40/x
  3. Step 3: Cross multiply
    13,306,419.10x = 19,959,628.65 × 4,785,648.40
  4. Step 4: Simplify right side
    13,306,419.10x = 95,519,764,913,466.66
  5. Step 5: Solve for x
    x = 95,519,764,913,466.66/13,306,419.10
  6. Step 6: Final answer
    x = 7,178,472.60

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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.