Home / 14,270,211.18-19,692,891.51-7,743,840.66

Finding the Fourth Proportional to 14,270,211.18, 19,692,891.51 and 7,743,840.66

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Solution

The fourth proportional to 14,270,211.18, 19,692,891.51 and 7,743,840.66 is: 10,686,500.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270,211.18 : 19,692,891.51 = 7,743,840.66 : x
  2. Step 2: Convert to fraction form
    14,270,211.18/19,692,891.51 = 7,743,840.66/x
  3. Step 3: Cross multiply
    14,270,211.18x = 19,692,891.51 × 7,743,840.66
  4. Step 4: Simplify right side
    14,270,211.18x = 152,498,613,988,106.81
  5. Step 5: Solve for x
    x = 152,498,613,988,106.81/14,270,211.18
  6. Step 6: Final answer
    x = 10,686,500.16

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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.