Home / 12,966,387.84-19,450,411.24-4,988,211.84

Finding the Fourth Proportional to 12,966,387.84, 19,450,411.24 and 4,988,211.84

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Solution

The fourth proportional to 12,966,387.84, 19,450,411.24 and 4,988,211.84 is: 7,482,636.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,966,387.84 : 19,450,411.24 = 4,988,211.84 : x
  2. Step 2: Convert to fraction form
    12,966,387.84/19,450,411.24 = 4,988,211.84/x
  3. Step 3: Cross multiply
    12,966,387.84x = 19,450,411.24 × 4,988,211.84
  4. Step 4: Simplify right side
    12,966,387.84x = 97,022,771,640,237.08
  5. Step 5: Solve for x
    x = 97,022,771,640,237.08/12,966,387.84
  6. Step 6: Final answer
    x = 7,482,636.86

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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.