Home / 7,209,148.87-10,812,345.18-2,160,459.37

Finding the Fourth Proportional to 7,209,148.87, 10,812,345.18 and 2,160,459.37

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Solution

The fourth proportional to 7,209,148.87, 10,812,345.18 and 2,160,459.37 is: 3,240,276.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209,148.87 : 10,812,345.18 = 2,160,459.37 : x
  2. Step 2: Convert to fraction form
    7,209,148.87/10,812,345.18 = 2,160,459.37/x
  3. Step 3: Cross multiply
    7,209,148.87x = 10,812,345.18 × 2,160,459.37
  4. Step 4: Simplify right side
    7,209,148.87x = 23,359,632,455,805.34
  5. Step 5: Solve for x
    x = 23,359,632,455,805.34/7,209,148.87
  6. Step 6: Final answer
    x = 3,240,276.05

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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.