Home / 12,970,684.08-17,897,714.73-7,389,077.40

Finding the Fourth Proportional to 12,970,684.08, 17,897,714.73 and 7,389,077.40

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Solution

The fourth proportional to 12,970,684.08, 17,897,714.73 and 7,389,077.40 is: 10,195,884.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,970,684.08 : 17,897,714.73 = 7,389,077.40 : x
  2. Step 2: Convert to fraction form
    12,970,684.08/17,897,714.73 = 7,389,077.40/x
  3. Step 3: Cross multiply
    12,970,684.08x = 17,897,714.73 × 7,389,077.40
  4. Step 4: Simplify right side
    12,970,684.08x = 132,247,599,423,090.11
  5. Step 5: Solve for x
    x = 132,247,599,423,090.11/12,970,684.08
  6. Step 6: Final answer
    x = 10,195,884.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.