Home / 18,184,420.80-27,280,567.80-5,406,217.20

Finding the Fourth Proportional to 18,184,420.80, 27,280,567.80 and 5,406,217.20

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Solution

The fourth proportional to 18,184,420.80, 27,280,567.80 and 5,406,217.20 is: 8,110,496.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,184,420.80 : 27,280,567.80 = 5,406,217.20 : x
  2. Step 2: Convert to fraction form
    18,184,420.80/27,280,567.80 = 5,406,217.20/x
  3. Step 3: Cross multiply
    18,184,420.80x = 27,280,567.80 × 5,406,217.20
  4. Step 4: Simplify right side
    18,184,420.80x = 147,484,674,866,126.16
  5. Step 5: Solve for x
    x = 147,484,674,866,126.16/18,184,420.80
  6. Step 6: Final answer
    x = 8,110,496.15

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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.