Home / 7,240,086.40-10,860,129.60-3,880,854.40

Finding the Fourth Proportional to 7,240,086.40, 10,860,129.60 and 3,880,854.40

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Solution

The fourth proportional to 7,240,086.40, 10,860,129.60 and 3,880,854.40 is: 5,821,281.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240,086.40 : 10,860,129.60 = 3,880,854.40 : x
  2. Step 2: Convert to fraction form
    7,240,086.40/10,860,129.60 = 3,880,854.40/x
  3. Step 3: Cross multiply
    7,240,086.40x = 10,860,129.60 × 3,880,854.40
  4. Step 4: Simplify right side
    7,240,086.40x = 42,146,581,742,730.23
  5. Step 5: Solve for x
    x = 42,146,581,742,730.23/7,240,086.40
  6. Step 6: Final answer
    x = 5,821,281.60

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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.