Home / 15,870,232.07-21,901,160.22-8,902,454.17

Finding the Fourth Proportional to 15,870,232.07, 21,901,160.22 and 8,902,454.17

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Solution

The fourth proportional to 15,870,232.07, 21,901,160.22 and 8,902,454.17 is: 12,285,521.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,870,232.07 : 21,901,160.22 = 8,902,454.17 : x
  2. Step 2: Convert to fraction form
    15,870,232.07/21,901,160.22 = 8,902,454.17/x
  3. Step 3: Cross multiply
    15,870,232.07x = 21,901,160.22 × 8,902,454.17
  4. Step 4: Simplify right side
    15,870,232.07x = 194,974,075,128,377.09
  5. Step 5: Solve for x
    x = 194,974,075,128,377.09/15,870,232.07
  6. Step 6: Final answer
    x = 12,285,521.36

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1.5x scale

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.