Home / 13,879,061.28-20,823,242.04-4,787,434.40

Finding the Fourth Proportional to 13,879,061.28, 20,823,242.04 and 4,787,434.40

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Solution

The fourth proportional to 13,879,061.28, 20,823,242.04 and 4,787,434.40 is: 7,182,755.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,879,061.28 : 20,823,242.04 = 4,787,434.40 : x
  2. Step 2: Convert to fraction form
    13,879,061.28/20,823,242.04 = 4,787,434.40/x
  3. Step 3: Cross multiply
    13,879,061.28x = 20,823,242.04 × 4,787,434.40
  4. Step 4: Simplify right side
    13,879,061.28x = 99,689,905,157,705.95
  5. Step 5: Solve for x
    x = 99,689,905,157,705.95/13,879,061.28
  6. Step 6: Final answer
    x = 7,182,755.60

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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.