Home / 14,506,718.89-20,018,640.90-7,979,934.51

Finding the Fourth Proportional to 14,506,718.89, 20,018,640.90 and 7,979,934.51

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Solution

The fourth proportional to 14,506,718.89, 20,018,640.90 and 7,979,934.51 is: 11,011,962.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,506,718.89 : 20,018,640.90 = 7,979,934.51 : x
  2. Step 2: Convert to fraction form
    14,506,718.89/20,018,640.90 = 7,979,934.51/x
  3. Step 3: Cross multiply
    14,506,718.89x = 20,018,640.90 × 7,979,934.51
  4. Step 4: Simplify right side
    14,506,718.89x = 159,747,443,361,207.44
  5. Step 5: Solve for x
    x = 159,747,443,361,207.44/14,506,718.89
  6. Step 6: Final answer
    x = 11,011,962.43

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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.