Home / 10,220,738.46-15,341,741.37-7,528,104.06

Finding the Fourth Proportional to 10,220,738.46, 15,341,741.37 and 7,528,104.06

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Solution

The fourth proportional to 10,220,738.46, 15,341,741.37 and 7,528,104.06 is: 11,299,988.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220,738.46 : 15,341,741.37 = 7,528,104.06 : x
  2. Step 2: Convert to fraction form
    10,220,738.46/15,341,741.37 = 7,528,104.06/x
  3. Step 3: Cross multiply
    10,220,738.46x = 15,341,741.37 × 7,528,104.06
  4. Step 4: Simplify right side
    10,220,738.46x = 115,494,225,494,966.95
  5. Step 5: Solve for x
    x = 115,494,225,494,966.95/10,220,738.46
  6. Step 6: Final answer
    x = 11,299,988.35

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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.