Home / 10,347,867.70-15,521,801.55-9,883,381.30

Finding the Fourth Proportional to 10,347,867.70, 15,521,801.55 and 9,883,381.30

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Solution

The fourth proportional to 10,347,867.70, 15,521,801.55 and 9,883,381.30 is: 14,825,071.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347,867.70 : 15,521,801.55 = 9,883,381.30 : x
  2. Step 2: Convert to fraction form
    10,347,867.70/15,521,801.55 = 9,883,381.30/x
  3. Step 3: Cross multiply
    10,347,867.70x = 15,521,801.55 × 9,883,381.30
  4. Step 4: Simplify right side
    10,347,867.70x = 153,407,883,181,581.03
  5. Step 5: Solve for x
    x = 153,407,883,181,581.03/10,347,867.70
  6. Step 6: Final answer
    x = 14,825,071.95

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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.