Home / 31,030,589.28-46,513,946.72-13,766,920.40

Finding the Fourth Proportional to 31,030,589.28, 46,513,946.72 and 13,766,920.40

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Solution

The fourth proportional to 31,030,589.28, 46,513,946.72 and 13,766,920.40 is: 20,636,211.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,030,589.28 : 46,513,946.72 = 13,766,920.40 : x
  2. Step 2: Convert to fraction form
    31,030,589.28/46,513,946.72 = 13,766,920.40/x
  3. Step 3: Cross multiply
    31,030,589.28x = 46,513,946.72 × 13,766,920.40
  4. Step 4: Simplify right side
    31,030,589.28x = 640,353,801,984,081.12
  5. Step 5: Solve for x
    x = 640,353,801,984,081.12/31,030,589.28
  6. Step 6: Final answer
    x = 20,636,211.46

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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.