Home / 18,442,700.80-27,681,765.90-9,355,059.70

Finding the Fourth Proportional to 18,442,700.80, 27,681,765.90 and 9,355,059.70

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Solution

The fourth proportional to 18,442,700.80, 27,681,765.90 and 9,355,059.70 is: 14,041,575.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442,700.80 : 27,681,765.90 = 9,355,059.70 : x
  2. Step 2: Convert to fraction form
    18,442,700.80/27,681,765.90 = 9,355,059.70/x
  3. Step 3: Cross multiply
    18,442,700.80x = 27,681,765.90 × 9,355,059.70
  4. Step 4: Simplify right side
    18,442,700.80x = 258,964,572,595,924.19
  5. Step 5: Solve for x
    x = 258,964,572,595,924.19/18,442,700.80
  6. Step 6: Final answer
    x = 14,041,575.33

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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.