Home / 7,390,998.40-11,078,203.20-4,197,654.40

Finding the Fourth Proportional to 7,390,998.40, 11,078,203.20 and 4,197,654.40

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Solution

The fourth proportional to 7,390,998.40, 11,078,203.20 and 4,197,654.40 is: 6,291,770.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390,998.40 : 11,078,203.20 = 4,197,654.40 : x
  2. Step 2: Convert to fraction form
    7,390,998.40/11,078,203.20 = 4,197,654.40/x
  3. Step 3: Cross multiply
    7,390,998.40x = 11,078,203.20 × 4,197,654.40
  4. Step 4: Simplify right side
    7,390,998.40x = 46,502,468,406,574.08
  5. Step 5: Solve for x
    x = 46,502,468,406,574.08/7,390,998.40
  6. Step 6: Final answer
    x = 6,291,770.87

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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.