Home / 13,971,946.42-19,281,286.98-7,776,859.76

Finding the Fourth Proportional to 13,971,946.42, 19,281,286.98 and 7,776,859.76

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Solution

The fourth proportional to 13,971,946.42, 19,281,286.98 and 7,776,859.76 is: 10,732,066.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971,946.42 : 19,281,286.98 = 7,776,859.76 : x
  2. Step 2: Convert to fraction form
    13,971,946.42/19,281,286.98 = 7,776,859.76/x
  3. Step 3: Cross multiply
    13,971,946.42x = 19,281,286.98 × 7,776,859.76
  4. Step 4: Simplify right side
    13,971,946.42x = 149,947,864,920,129.56
  5. Step 5: Solve for x
    x = 149,947,864,920,129.56/13,971,946.42
  6. Step 6: Final answer
    x = 10,732,066.99

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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.