Home / 10,678,910.53-14,732,829.03-7,894,719.13

Finding the Fourth Proportional to 10,678,910.53, 14,732,829.03 and 7,894,719.13

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Solution

The fourth proportional to 10,678,910.53, 14,732,829.03 and 7,894,719.13 is: 10,891,705.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,678,910.53 : 14,732,829.03 = 7,894,719.13 : x
  2. Step 2: Convert to fraction form
    10,678,910.53/14,732,829.03 = 7,894,719.13/x
  3. Step 3: Cross multiply
    10,678,910.53x = 14,732,829.03 × 7,894,719.13
  4. Step 4: Simplify right side
    10,678,910.53x = 116,311,547,182,160.34
  5. Step 5: Solve for x
    x = 116,311,547,182,160.34/10,678,910.53
  6. Step 6: Final answer
    x = 10,891,705.37

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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.