Home / 22,279,938.16-30,756,387.06-14,032,120.72

Finding the Fourth Proportional to 22,279,938.16, 30,756,387.06 and 14,032,120.72

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Solution

The fourth proportional to 22,279,938.16, 30,756,387.06 and 14,032,120.72 is: 19,370,670.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,279,938.16 : 30,756,387.06 = 14,032,120.72 : x
  2. Step 2: Convert to fraction form
    22,279,938.16/30,756,387.06 = 14,032,120.72/x
  3. Step 3: Cross multiply
    22,279,938.16x = 30,756,387.06 × 14,032,120.72
  4. Step 4: Simplify right side
    22,279,938.16x = 431,577,336,136,965.88
  5. Step 5: Solve for x
    x = 431,577,336,136,965.88/22,279,938.16
  6. Step 6: Final answer
    x = 19,370,670.29

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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.