Home / 14,573,130.60-21,872,915.10-7,389,661.80

Finding the Fourth Proportional to 14,573,130.60, 21,872,915.10 and 7,389,661.80

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Solution

The fourth proportional to 14,573,130.60, 21,872,915.10 and 7,389,661.80 is: 11,091,195.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,573,130.60 : 21,872,915.10 = 7,389,661.80 : x
  2. Step 2: Convert to fraction form
    14,573,130.60/21,872,915.10 = 7,389,661.80/x
  3. Step 3: Cross multiply
    14,573,130.60x = 21,872,915.10 × 7,389,661.80
  4. Step 4: Simplify right side
    14,573,130.60x = 161,633,445,169,113.19
  5. Step 5: Solve for x
    x = 161,633,445,169,113.19/14,573,130.60
  6. Step 6: Final answer
    x = 11,091,195.82

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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.