Home / 9,235,359.08-12,744,812.80-5,160,978.08

Finding the Fourth Proportional to 9,235,359.08, 12,744,812.80 and 5,160,978.08

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Solution

The fourth proportional to 9,235,359.08, 12,744,812.80 and 5,160,978.08 is: 7,122,159.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,235,359.08 : 12,744,812.80 = 5,160,978.08 : x
  2. Step 2: Convert to fraction form
    9,235,359.08/12,744,812.80 = 5,160,978.08/x
  3. Step 3: Cross multiply
    9,235,359.08x = 12,744,812.80 × 5,160,978.08
  4. Step 4: Simplify right side
    9,235,359.08x = 65,775,699,494,503.43
  5. Step 5: Solve for x
    x = 65,775,699,494,503.43/9,235,359.08
  6. Step 6: Final answer
    x = 7,122,159.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.