Home / 31,723,938.89-47,588,429.46-13,528,289.40

Finding the Fourth Proportional to 31,723,938.89, 47,588,429.46 and 13,528,289.40

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Solution

The fourth proportional to 31,723,938.89, 47,588,429.46 and 13,528,289.40 is: 20,293,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,723,938.89 : 47,588,429.46 = 13,528,289.40 : x
  2. Step 2: Convert to fraction form
    31,723,938.89/47,588,429.46 = 13,528,289.40/x
  3. Step 3: Cross multiply
    31,723,938.89x = 47,588,429.46 × 13,528,289.40
  4. Step 4: Simplify right side
    31,723,938.89x = 643,790,045,758,724.25
  5. Step 5: Solve for x
    x = 643,790,045,758,724.25/31,723,938.89
  6. Step 6: Final answer
    x = 20,293,509.20

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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.