Home / 14,970,021.60-22,455,032.40-5,385,712.80

Finding the Fourth Proportional to 14,970,021.60, 22,455,032.40 and 5,385,712.80

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Solution

The fourth proportional to 14,970,021.60, 22,455,032.40 and 5,385,712.80 is: 8,078,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,970,021.60 : 22,455,032.40 = 5,385,712.80 : x
  2. Step 2: Convert to fraction form
    14,970,021.60/22,455,032.40 = 5,385,712.80/x
  3. Step 3: Cross multiply
    14,970,021.60x = 22,455,032.40 × 5,385,712.80
  4. Step 4: Simplify right side
    14,970,021.60x = 120,936,355,421,094.70
  5. Step 5: Solve for x
    x = 120,936,355,421,094.70/14,970,021.60
  6. Step 6: Final answer
    x = 8,078,569.20

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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.