Home / 14,273,781.28-19,697,290.45-7,747,271.62

Finding the Fourth Proportional to 14,273,781.28, 19,697,290.45 and 7,747,271.62

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Solution

The fourth proportional to 14,273,781.28, 19,697,290.45 and 7,747,271.62 is: 10,690,948.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,273,781.28 : 19,697,290.45 = 7,747,271.62 : x
  2. Step 2: Convert to fraction form
    14,273,781.28/19,697,290.45 = 7,747,271.62/x
  3. Step 3: Cross multiply
    14,273,781.28x = 19,697,290.45 × 7,747,271.62
  4. Step 4: Simplify right side
    14,273,781.28x = 152,600,259,225,570.62
  5. Step 5: Solve for x
    x = 152,600,259,225,570.62/14,273,781.28
  6. Step 6: Final answer
    x = 10,690,948.41

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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.