Home / 7,103,291.40-10,655,714.70-6,879,342.60

Finding the Fourth Proportional to 7,103,291.40, 10,655,714.70 and 6,879,342.60

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Solution

The fourth proportional to 7,103,291.40, 10,655,714.70 and 6,879,342.60 is: 10,319,766.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103,291.40 : 10,655,714.70 = 6,879,342.60 : x
  2. Step 2: Convert to fraction form
    7,103,291.40/10,655,714.70 = 6,879,342.60/x
  3. Step 3: Cross multiply
    7,103,291.40x = 10,655,714.70 × 6,879,342.60
  4. Step 4: Simplify right side
    7,103,291.40x = 73,304,312,069,156.20
  5. Step 5: Solve for x
    x = 73,304,312,069,156.20/7,103,291.40
  6. Step 6: Final answer
    x = 10,319,766.98

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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.