Home / 11,555,050.40-15,945,774.72-6,398,301.20

Finding the Fourth Proportional to 11,555,050.40, 15,945,774.72 and 6,398,301.20

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Solution

The fourth proportional to 11,555,050.40, 15,945,774.72 and 6,398,301.20 is: 8,829,547.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555,050.40 : 15,945,774.72 = 6,398,301.20 : x
  2. Step 2: Convert to fraction form
    11,555,050.40/15,945,774.72 = 6,398,301.20/x
  3. Step 3: Cross multiply
    11,555,050.40x = 15,945,774.72 × 6,398,301.20
  4. Step 4: Simplify right side
    11,555,050.40x = 102,025,869,525,905.67
  5. Step 5: Solve for x
    x = 102,025,869,525,905.67/11,555,050.40
  6. Step 6: Final answer
    x = 8,829,547.77

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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.