Home / 21,032,428.60-31,566,357.60-8,262,098.20

Finding the Fourth Proportional to 21,032,428.60, 31,566,357.60 and 8,262,098.20

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Solution

The fourth proportional to 21,032,428.60, 31,566,357.60 and 8,262,098.20 is: 12,400,106.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032,428.60 : 31,566,357.60 = 8,262,098.20 : x
  2. Step 2: Convert to fraction form
    21,032,428.60/31,566,357.60 = 8,262,098.20/x
  3. Step 3: Cross multiply
    21,032,428.60x = 31,566,357.60 × 8,262,098.20
  4. Step 4: Simplify right side
    21,032,428.60x = 260,804,346,307,516.34
  5. Step 5: Solve for x
    x = 260,804,346,307,516.34/21,032,428.60
  6. Step 6: Final answer
    x = 12,400,106.11

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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.