Home / 7,018,493.70-10,527,740.55-4,290,429.90

Finding the Fourth Proportional to 7,018,493.70, 10,527,740.55 and 4,290,429.90

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Solution

The fourth proportional to 7,018,493.70, 10,527,740.55 and 4,290,429.90 is: 6,435,644.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018,493.70 : 10,527,740.55 = 4,290,429.90 : x
  2. Step 2: Convert to fraction form
    7,018,493.70/10,527,740.55 = 4,290,429.90/x
  3. Step 3: Cross multiply
    7,018,493.70x = 10,527,740.55 × 4,290,429.90
  4. Step 4: Simplify right side
    7,018,493.70x = 45,168,532,835,162.45
  5. Step 5: Solve for x
    x = 45,168,532,835,162.45/7,018,493.70
  6. Step 6: Final answer
    x = 6,435,644.85

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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.