Home / 14,073,421.50-19,421,190.45-7,961,850

Finding the Fourth Proportional to 14,073,421.50, 19,421,190.45 and 7,961,850

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Solution

The fourth proportional to 14,073,421.50, 19,421,190.45 and 7,961,850 is: 10,987,278.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,073,421.50 : 19,421,190.45 = 7,961,850 : x
  2. Step 2: Convert to fraction form
    14,073,421.50/19,421,190.45 = 7,961,850/x
  3. Step 3: Cross multiply
    14,073,421.50x = 19,421,190.45 × 7,961,850
  4. Step 4: Simplify right side
    14,073,421.50x = 154,628,605,184,332.50
  5. Step 5: Solve for x
    x = 154,628,605,184,332.50/14,073,421.50
  6. Step 6: Final answer
    x = 10,987,278.76

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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.