Home / 21,957,948.77-30,301,599.29-12,168,373.01

Finding the Fourth Proportional to 21,957,948.77, 30,301,599.29 and 12,168,373.01

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Solution

The fourth proportional to 21,957,948.77, 30,301,599.29 and 12,168,373.01 is: 16,792,149.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,957,948.77 : 30,301,599.29 = 12,168,373.01 : x
  2. Step 2: Convert to fraction form
    21,957,948.77/30,301,599.29 = 12,168,373.01/x
  3. Step 3: Cross multiply
    21,957,948.77x = 30,301,599.29 × 12,168,373.01
  4. Step 4: Simplify right side
    21,957,948.77x = 368,721,162,747,921.31
  5. Step 5: Solve for x
    x = 368,721,162,747,921.31/21,957,948.77
  6. Step 6: Final answer
    x = 16,792,149.70

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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.