Home / 13,391,726.16-18,482,291.58-7,885,613.31

Finding the Fourth Proportional to 13,391,726.16, 18,482,291.58 and 7,885,613.31

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Solution

The fourth proportional to 13,391,726.16, 18,482,291.58 and 7,885,613.31 is: 10,883,152.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,391,726.16 : 18,482,291.58 = 7,885,613.31 : x
  2. Step 2: Convert to fraction form
    13,391,726.16/18,482,291.58 = 7,885,613.31/x
  3. Step 3: Cross multiply
    13,391,726.16x = 18,482,291.58 × 7,885,613.31
  4. Step 4: Simplify right side
    13,391,726.16x = 145,744,204,482,548.91
  5. Step 5: Solve for x
    x = 145,744,204,482,548.91/13,391,726.16
  6. Step 6: Final answer
    x = 10,883,152.98

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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.