Home / 7,218,303.53-10,828,820.88-2,900,689.86

Finding the Fourth Proportional to 7,218,303.53, 10,828,820.88 and 2,900,689.86

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Solution

The fourth proportional to 7,218,303.53, 10,828,820.88 and 2,900,689.86 is: 4,351,583.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218,303.53 : 10,828,820.88 = 2,900,689.86 : x
  2. Step 2: Convert to fraction form
    7,218,303.53/10,828,820.88 = 2,900,689.86/x
  3. Step 3: Cross multiply
    7,218,303.53x = 10,828,820.88 × 2,900,689.86
  4. Step 4: Simplify right side
    7,218,303.53x = 31,411,050,863,452.54
  5. Step 5: Solve for x
    x = 31,411,050,863,452.54/7,218,303.53
  6. Step 6: Final answer
    x = 4,351,583.55

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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.