Home / 30,127,785.71-45,153,854.81-16,294,193.42

Finding the Fourth Proportional to 30,127,785.71, 45,153,854.81 and 16,294,193.42

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Solution

The fourth proportional to 30,127,785.71, 45,153,854.81 and 16,294,193.42 is: 24,420,833.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,127,785.71 : 45,153,854.81 = 16,294,193.42 : x
  2. Step 2: Convert to fraction form
    30,127,785.71/45,153,854.81 = 16,294,193.42/x
  3. Step 3: Cross multiply
    30,127,785.71x = 45,153,854.81 × 16,294,193.42
  4. Step 4: Simplify right side
    30,127,785.71x = 735,745,643,964,151
  5. Step 5: Solve for x
    x = 735,745,643,964,151/30,127,785.71
  6. Step 6: Final answer
    x = 24,420,833.68

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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.