Home / 21,173,430.60-31,689,287.10-14,796,138.60

Finding the Fourth Proportional to 21,173,430.60, 31,689,287.10 and 14,796,138.60

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Solution

The fourth proportional to 21,173,430.60, 31,689,287.10 and 14,796,138.60 is: 22,144,691.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,173,430.60 : 31,689,287.10 = 14,796,138.60 : x
  2. Step 2: Convert to fraction form
    21,173,430.60/31,689,287.10 = 14,796,138.60/x
  3. Step 3: Cross multiply
    21,173,430.60x = 31,689,287.10 × 14,796,138.60
  4. Step 4: Simplify right side
    21,173,430.60x = 468,879,084,066,792.06
  5. Step 5: Solve for x
    x = 468,879,084,066,792.06/21,173,430.60
  6. Step 6: Final answer
    x = 22,144,691.28

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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.