Home / 13,505,661.42-20,252,186.55-4,868,624.40

Finding the Fourth Proportional to 13,505,661.42, 20,252,186.55 and 4,868,624.40

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Solution

The fourth proportional to 13,505,661.42, 20,252,186.55 and 4,868,624.40 is: 7,300,663.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,505,661.42 : 20,252,186.55 = 4,868,624.40 : x
  2. Step 2: Convert to fraction form
    13,505,661.42/20,252,186.55 = 4,868,624.40/x
  3. Step 3: Cross multiply
    13,505,661.42x = 20,252,186.55 × 4,868,624.40
  4. Step 4: Simplify right side
    13,505,661.42x = 98,600,289,590,681.83
  5. Step 5: Solve for x
    x = 98,600,289,590,681.83/13,505,661.42
  6. Step 6: Final answer
    x = 7,300,663.52

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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.