Home / 11,459,803.60-15,818,642.45-6,813,577.50

Finding the Fourth Proportional to 11,459,803.60, 15,818,642.45 and 6,813,577.50

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Solution

The fourth proportional to 11,459,803.60, 15,818,642.45 and 6,813,577.50 is: 9,405,182.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,459,803.60 : 15,818,642.45 = 6,813,577.50 : x
  2. Step 2: Convert to fraction form
    11,459,803.60/15,818,642.45 = 6,813,577.50/x
  3. Step 3: Cross multiply
    11,459,803.60x = 15,818,642.45 × 6,813,577.50
  4. Step 4: Simplify right side
    11,459,803.60x = 107,781,546,238,990.50
  5. Step 5: Solve for x
    x = 107,781,546,238,990.50/11,459,803.60
  6. Step 6: Final answer
    x = 9,405,182.67

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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.