Home / 21,068,097.60-31,602,146.40-5,922,029.10

Finding the Fourth Proportional to 21,068,097.60, 31,602,146.40 and 5,922,029.10

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Solution

The fourth proportional to 21,068,097.60, 31,602,146.40 and 5,922,029.10 is: 8,883,043.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,068,097.60 : 31,602,146.40 = 5,922,029.10 : x
  2. Step 2: Convert to fraction form
    21,068,097.60/31,602,146.40 = 5,922,029.10/x
  3. Step 3: Cross multiply
    21,068,097.60x = 31,602,146.40 × 5,922,029.10
  4. Step 4: Simplify right side
    21,068,097.60x = 187,148,830,603,260.22
  5. Step 5: Solve for x
    x = 187,148,830,603,260.22/21,068,097.60
  6. Step 6: Final answer
    x = 8,883,043.65

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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.