Home / 10,317,123.60-15,438,943.80-8,983,928.40

Finding the Fourth Proportional to 10,317,123.60, 15,438,943.80 and 8,983,928.40

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Solution

The fourth proportional to 10,317,123.60, 15,438,943.80 and 8,983,928.40 is: 13,443,898.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,317,123.60 : 15,438,943.80 = 8,983,928.40 : x
  2. Step 2: Convert to fraction form
    10,317,123.60/15,438,943.80 = 8,983,928.40/x
  3. Step 3: Cross multiply
    10,317,123.60x = 15,438,943.80 × 8,983,928.40
  4. Step 4: Simplify right side
    10,317,123.60x = 138,702,365,670,823.94
  5. Step 5: Solve for x
    x = 138,702,365,670,823.94/10,317,123.60
  6. Step 6: Final answer
    x = 13,443,898.81

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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.