Home / 14,328,142.83-19,772,752.89-7,801,756.67

Finding the Fourth Proportional to 14,328,142.83, 19,772,752.89 and 7,801,756.67

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Solution

The fourth proportional to 14,328,142.83, 19,772,752.89 and 7,801,756.67 is: 10,766,378.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,328,142.83 : 19,772,752.89 = 7,801,756.67 : x
  2. Step 2: Convert to fraction form
    14,328,142.83/19,772,752.89 = 7,801,756.67/x
  3. Step 3: Cross multiply
    14,328,142.83x = 19,772,752.89 × 7,801,756.67
  4. Step 4: Simplify right side
    14,328,142.83x = 154,262,206,625,451.12
  5. Step 5: Solve for x
    x = 154,262,206,625,451.12/14,328,142.83
  6. Step 6: Final answer
    x = 10,766,378.34

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1.5x scale

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.