Home / 20,178,045.68-30,267,068.51-7,403,532.64

Finding the Fourth Proportional to 20,178,045.68, 30,267,068.51 and 7,403,532.64

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Solution

The fourth proportional to 20,178,045.68, 30,267,068.51 and 7,403,532.64 is: 11,105,298.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,045.68 : 30,267,068.51 = 7,403,532.64 : x
  2. Step 2: Convert to fraction form
    20,178,045.68/30,267,068.51 = 7,403,532.64/x
  3. Step 3: Cross multiply
    20,178,045.68x = 30,267,068.51 × 7,403,532.64
  4. Step 4: Simplify right side
    20,178,045.68x = 224,083,229,573,742.31
  5. Step 5: Solve for x
    x = 224,083,229,573,742.31/20,178,045.68
  6. Step 6: Final answer
    x = 11,105,298.96

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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.