Home / 19,937,079.70-29,905,619.55-4,791,011.20

Finding the Fourth Proportional to 19,937,079.70, 29,905,619.55 and 4,791,011.20

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Solution

The fourth proportional to 19,937,079.70, 29,905,619.55 and 4,791,011.20 is: 7,186,516.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937,079.70 : 29,905,619.55 = 4,791,011.20 : x
  2. Step 2: Convert to fraction form
    19,937,079.70/29,905,619.55 = 4,791,011.20/x
  3. Step 3: Cross multiply
    19,937,079.70x = 29,905,619.55 × 4,791,011.20
  4. Step 4: Simplify right side
    19,937,079.70x = 143,278,158,206,988.97
  5. Step 5: Solve for x
    x = 143,278,158,206,988.97/19,937,079.70
  6. Step 6: Final answer
    x = 7,186,516.80

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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.