Home / 10,403,506.20-14,357,277.90-6,430,660.32

Finding the Fourth Proportional to 10,403,506.20, 14,357,277.90 and 6,430,660.32

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Solution

The fourth proportional to 10,403,506.20, 14,357,277.90 and 6,430,660.32 is: 8,874,582.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403,506.20 : 14,357,277.90 = 6,430,660.32 : x
  2. Step 2: Convert to fraction form
    10,403,506.20/14,357,277.90 = 6,430,660.32/x
  3. Step 3: Cross multiply
    10,403,506.20x = 14,357,277.90 × 6,430,660.32
  4. Step 4: Simplify right side
    10,403,506.20x = 92,326,777,294,742.94
  5. Step 5: Solve for x
    x = 92,326,777,294,742.94/10,403,506.20
  6. Step 6: Final answer
    x = 8,874,582.81

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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.