Home / 21,870,117.40-32,805,176.10-21,551,252.80

Finding the Fourth Proportional to 21,870,117.40, 32,805,176.10 and 21,551,252.80

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Solution

The fourth proportional to 21,870,117.40, 32,805,176.10 and 21,551,252.80 is: 32,326,879.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,870,117.40 : 32,805,176.10 = 21,551,252.80 : x
  2. Step 2: Convert to fraction form
    21,870,117.40/32,805,176.10 = 21,551,252.80/x
  3. Step 3: Cross multiply
    21,870,117.40x = 32,805,176.10 × 21,551,252.80
  4. Step 4: Simplify right side
    21,870,117.40x = 706,992,643,279,618.12
  5. Step 5: Solve for x
    x = 706,992,643,279,618.12/21,870,117.40
  6. Step 6: Final answer
    x = 32,326,879.20

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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.