Home / 19,778,967.64-29,615,296.56-12,551,370.04

Finding the Fourth Proportional to 19,778,967.64, 29,615,296.56 and 12,551,370.04

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Solution

The fourth proportional to 19,778,967.64, 29,615,296.56 and 12,551,370.04 is: 18,793,323.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,778,967.64 : 29,615,296.56 = 12,551,370.04 : x
  2. Step 2: Convert to fraction form
    19,778,967.64/29,615,296.56 = 12,551,370.04/x
  3. Step 3: Cross multiply
    19,778,967.64x = 29,615,296.56 × 12,551,370.04
  4. Step 4: Simplify right side
    19,778,967.64x = 371,712,545,968,899
  5. Step 5: Solve for x
    x = 371,712,545,968,899/19,778,967.64
  6. Step 6: Final answer
    x = 18,793,323.94

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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.