Home / 15,127,527.28-20,875,370.88-8,934,578.32

Finding the Fourth Proportional to 15,127,527.28, 20,875,370.88 and 8,934,578.32

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Solution

The fourth proportional to 15,127,527.28, 20,875,370.88 and 8,934,578.32 is: 12,329,353.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,127,527.28 : 20,875,370.88 = 8,934,578.32 : x
  2. Step 2: Convert to fraction form
    15,127,527.28/20,875,370.88 = 8,934,578.32/x
  3. Step 3: Cross multiply
    15,127,527.28x = 20,875,370.88 × 8,934,578.32
  4. Step 4: Simplify right side
    15,127,527.28x = 186,512,636,086,407.31
  5. Step 5: Solve for x
    x = 186,512,636,086,407.31/15,127,527.28
  6. Step 6: Final answer
    x = 12,329,353.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.