Home / 22,686,404,062.60-31,309,982,901.17-12,911,917,585.28

Finding the Fourth Proportional to 22,686,404,062.60, 31,309,982,901.17 and 12,911,917,585.28

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Solution

The fourth proportional to 22,686,404,062.60, 31,309,982,901.17 and 12,911,917,585.28 is: 17,820,008,746.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,686,404,062.60 : 31,309,982,901.17 = 12,911,917,585.28 : x
  2. Step 2: Convert to fraction form
    22,686,404,062.60/31,309,982,901.17 = 12,911,917,585.28/x
  3. Step 3: Cross multiply
    22,686,404,062.60x = 31,309,982,901.17 × 12,911,917,585.28
  4. Step 4: Simplify right side
    22,686,404,062.60x = 404,271,918,816,211,894,272
  5. Step 5: Solve for x
    x = 404,271,918,816,211,894,272/22,686,404,062.60
  6. Step 6: Final answer
    x = 17,820,008,746.24

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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.