Home / 15,046,603.17-20,770,669.34-10,158,446.76

Finding the Fourth Proportional to 15,046,603.17, 20,770,669.34 and 10,158,446.76

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Solution

The fourth proportional to 15,046,603.17, 20,770,669.34 and 10,158,446.76 is: 14,022,948.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,046,603.17 : 20,770,669.34 = 10,158,446.76 : x
  2. Step 2: Convert to fraction form
    15,046,603.17/20,770,669.34 = 10,158,446.76/x
  3. Step 3: Cross multiply
    15,046,603.17x = 20,770,669.34 × 10,158,446.76
  4. Step 4: Simplify right side
    15,046,603.17x = 210,997,738,609,162.09
  5. Step 5: Solve for x
    x = 210,997,738,609,162.09/15,046,603.17
  6. Step 6: Final answer
    x = 14,022,948.32

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1.5x scale

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.