Home / 12,776,937.76-19,134,853.28-7,369,193.40

Finding the Fourth Proportional to 12,776,937.76, 19,134,853.28 and 7,369,193.40

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Solution

The fourth proportional to 12,776,937.76, 19,134,853.28 and 7,369,193.40 is: 11,036,168.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,776,937.76 : 19,134,853.28 = 7,369,193.40 : x
  2. Step 2: Convert to fraction form
    12,776,937.76/19,134,853.28 = 7,369,193.40/x
  3. Step 3: Cross multiply
    12,776,937.76x = 19,134,853.28 × 7,369,193.40
  4. Step 4: Simplify right side
    12,776,937.76x = 141,008,434,500,944.38
  5. Step 5: Solve for x
    x = 141,008,434,500,944.38/12,776,937.76
  6. Step 6: Final answer
    x = 11,036,168.22

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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.