Home / 21,061,392.60-31,592,088.90-14,678,851.80

Finding the Fourth Proportional to 21,061,392.60, 31,592,088.90 and 14,678,851.80

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Solution

The fourth proportional to 21,061,392.60, 31,592,088.90 and 14,678,851.80 is: 22,018,277.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,061,392.60 : 31,592,088.90 = 14,678,851.80 : x
  2. Step 2: Convert to fraction form
    21,061,392.60/31,592,088.90 = 14,678,851.80/x
  3. Step 3: Cross multiply
    21,061,392.60x = 31,592,088.90 × 14,678,851.80
  4. Step 4: Simplify right side
    21,061,392.60x = 463,735,591,015,525
  5. Step 5: Solve for x
    x = 463,735,591,015,525/21,061,392.60
  6. Step 6: Final answer
    x = 22,018,277.70

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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.