Home / 21,290,513.58-29,390,717.16-12,468,737.52

Finding the Fourth Proportional to 21,290,513.58, 29,390,717.16 and 12,468,737.52

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Solution

The fourth proportional to 21,290,513.58, 29,390,717.16 and 12,468,737.52 is: 17,212,602.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,290,513.58 : 29,390,717.16 = 12,468,737.52 : x
  2. Step 2: Convert to fraction form
    21,290,513.58/29,390,717.16 = 12,468,737.52/x
  3. Step 3: Cross multiply
    21,290,513.58x = 29,390,717.16 × 12,468,737.52
  4. Step 4: Simplify right side
    21,290,513.58x = 366,465,137,792,599.81
  5. Step 5: Solve for x
    x = 366,465,137,792,599.81/21,290,513.58
  6. Step 6: Final answer
    x = 17,212,602.05

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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.