Home / 21,312,411.60-31,968,617.40-11,234,715.60

Finding the Fourth Proportional to 21,312,411.60, 31,968,617.40 and 11,234,715.60

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Solution

The fourth proportional to 21,312,411.60, 31,968,617.40 and 11,234,715.60 is: 16,852,073.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,312,411.60 : 31,968,617.40 = 11,234,715.60 : x
  2. Step 2: Convert to fraction form
    21,312,411.60/31,968,617.40 = 11,234,715.60/x
  3. Step 3: Cross multiply
    21,312,411.60x = 31,968,617.40 × 11,234,715.60
  4. Step 4: Simplify right side
    21,312,411.60x = 359,158,324,614,211.44
  5. Step 5: Solve for x
    x = 359,158,324,614,211.44/21,312,411.60
  6. Step 6: Final answer
    x = 16,852,073.40

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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.