Home / 9,915,320.34-13,679,632.89-6,479,553.06

Finding the Fourth Proportional to 9,915,320.34, 13,679,632.89 and 6,479,553.06

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Solution

The fourth proportional to 9,915,320.34, 13,679,632.89 and 6,479,553.06 is: 8,939,490.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,915,320.34 : 13,679,632.89 = 6,479,553.06 : x
  2. Step 2: Convert to fraction form
    9,915,320.34/13,679,632.89 = 6,479,553.06/x
  3. Step 3: Cross multiply
    9,915,320.34x = 13,679,632.89 × 6,479,553.06
  4. Step 4: Simplify right side
    9,915,320.34x = 88,637,907,152,076.14
  5. Step 5: Solve for x
    x = 88,637,907,152,076.14/9,915,320.34
  6. Step 6: Final answer
    x = 8,939,490.01

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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.