Home / 7,180,111.53-9,908,539.51-3,916,925.08

Finding the Fourth Proportional to 7,180,111.53, 9,908,539.51 and 3,916,925.08

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Solution

The fourth proportional to 7,180,111.53, 9,908,539.51 and 3,916,925.08 is: 5,405,348.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180,111.53 : 9,908,539.51 = 3,916,925.08 : x
  2. Step 2: Convert to fraction form
    7,180,111.53/9,908,539.51 = 3,916,925.08/x
  3. Step 3: Cross multiply
    7,180,111.53x = 9,908,539.51 × 3,916,925.08
  4. Step 4: Simplify right side
    7,180,111.53x = 38,811,006,912,889.91
  5. Step 5: Solve for x
    x = 38,811,006,912,889.91/7,180,111.53
  6. Step 6: Final answer
    x = 5,405,348.75

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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.