Home / 14,176,818.95-21,234,118.71-11,720,129.13

Finding the Fourth Proportional to 14,176,818.95, 21,234,118.71 and 11,720,129.13

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Solution

The fourth proportional to 14,176,818.95, 21,234,118.71 and 11,720,129.13 is: 17,554,474.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,176,818.95 : 21,234,118.71 = 11,720,129.13 : x
  2. Step 2: Convert to fraction form
    14,176,818.95/21,234,118.71 = 11,720,129.13/x
  3. Step 3: Cross multiply
    14,176,818.95x = 21,234,118.71 × 11,720,129.13
  4. Step 4: Simplify right side
    14,176,818.95x = 248,866,613,242,949.06
  5. Step 5: Solve for x
    x = 248,866,613,242,949.06/14,176,818.95
  6. Step 6: Final answer
    x = 17,554,474.96

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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.