Home / 14,009,432.40-21,014,148.60-4,921,791.30

Finding the Fourth Proportional to 14,009,432.40, 21,014,148.60 and 4,921,791.30

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Solution

The fourth proportional to 14,009,432.40, 21,014,148.60 and 4,921,791.30 is: 7,382,686.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009,432.40 : 21,014,148.60 = 4,921,791.30 : x
  2. Step 2: Convert to fraction form
    14,009,432.40/21,014,148.60 = 4,921,791.30/x
  3. Step 3: Cross multiply
    14,009,432.40x = 21,014,148.60 × 4,921,791.30
  4. Step 4: Simplify right side
    14,009,432.40x = 103,427,253,756,387.19
  5. Step 5: Solve for x
    x = 103,427,253,756,387.19/14,009,432.40
  6. Step 6: Final answer
    x = 7,382,686.95

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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.