Home / 19,966,436.84-29,870,853.54-15,122,696.57

Finding the Fourth Proportional to 19,966,436.84, 29,870,853.54 and 15,122,696.57

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Solution

The fourth proportional to 19,966,436.84, 29,870,853.54 and 15,122,696.57 is: 22,624,359.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,966,436.84 : 29,870,853.54 = 15,122,696.57 : x
  2. Step 2: Convert to fraction form
    19,966,436.84/29,870,853.54 = 15,122,696.57/x
  3. Step 3: Cross multiply
    19,966,436.84x = 29,870,853.54 × 15,122,696.57
  4. Step 4: Simplify right side
    19,966,436.84x = 451,727,854,446,305.19
  5. Step 5: Solve for x
    x = 451,727,854,446,305.19/19,966,436.84
  6. Step 6: Final answer
    x = 22,624,359.98

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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.