Home / 6,385,281.61-8,816,709.33-5,140,939.24

Finding the Fourth Proportional to 6,385,281.61, 8,816,709.33 and 5,140,939.24

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Solution

The fourth proportional to 6,385,281.61, 8,816,709.33 and 5,140,939.24 is: 7,098,538.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385,281.61 : 8,816,709.33 = 5,140,939.24 : x
  2. Step 2: Convert to fraction form
    6,385,281.61/8,816,709.33 = 5,140,939.24/x
  3. Step 3: Cross multiply
    6,385,281.61x = 8,816,709.33 × 5,140,939.24
  4. Step 4: Simplify right side
    6,385,281.61x = 45,326,166,962,271.11
  5. Step 5: Solve for x
    x = 45,326,166,962,271.11/6,385,281.61
  6. Step 6: Final answer
    x = 7,098,538.45

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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.