Home / 6,945,478.23-10,418,611-2,153,848.71

Finding the Fourth Proportional to 6,945,478.23, 10,418,611 and 2,153,848.71

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Solution

The fourth proportional to 6,945,478.23, 10,418,611 and 2,153,848.71 is: 3,230,895.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945,478.23 : 10,418,611 = 2,153,848.71 : x
  2. Step 2: Convert to fraction form
    6,945,478.23/10,418,611 = 2,153,848.71/x
  3. Step 3: Cross multiply
    6,945,478.23x = 10,418,611 × 2,153,848.71
  4. Step 4: Simplify right side
    6,945,478.23x = 22,440,111,862,341.81
  5. Step 5: Solve for x
    x = 22,440,111,862,341.81/6,945,478.23
  6. Step 6: Final answer
    x = 3,230,895.14

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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.