Home / 14,339,428.32-19,788,160.84-7,813,111.80

Finding the Fourth Proportional to 14,339,428.32, 19,788,160.84 and 7,813,111.80

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Solution

The fourth proportional to 14,339,428.32, 19,788,160.84 and 7,813,111.80 is: 10,781,957.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339,428.32 : 19,788,160.84 = 7,813,111.80 : x
  2. Step 2: Convert to fraction form
    14,339,428.32/19,788,160.84 = 7,813,111.80/x
  3. Step 3: Cross multiply
    14,339,428.32x = 19,788,160.84 × 7,813,111.80
  4. Step 4: Simplify right side
    14,339,428.32x = 154,607,112,959,301.91
  5. Step 5: Solve for x
    x = 154,607,112,959,301.91/14,339,428.32
  6. Step 6: Final answer
    x = 10,781,957.94

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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.