Home / 21,301,396.40-31,934,598.60-9,180,167.60

Finding the Fourth Proportional to 21,301,396.40, 31,934,598.60 and 9,180,167.60

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Solution

The fourth proportional to 21,301,396.40, 31,934,598.60 and 9,180,167.60 is: 13,762,711.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,301,396.40 : 31,934,598.60 = 9,180,167.60 : x
  2. Step 2: Convert to fraction form
    21,301,396.40/31,934,598.60 = 9,180,167.60/x
  3. Step 3: Cross multiply
    21,301,396.40x = 31,934,598.60 × 9,180,167.60
  4. Step 4: Simplify right side
    21,301,396.40x = 293,164,967,386,725.38
  5. Step 5: Solve for x
    x = 293,164,967,386,725.38/21,301,396.40
  6. Step 6: Final answer
    x = 13,762,711.23

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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.