Home / 15,922,254.78-21,973,478.72-8,955,114.30

Finding the Fourth Proportional to 15,922,254.78, 21,973,478.72 and 8,955,114.30

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Solution

The fourth proportional to 15,922,254.78, 21,973,478.72 and 8,955,114.30 is: 12,358,489.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,922,254.78 : 21,973,478.72 = 8,955,114.30 : x
  2. Step 2: Convert to fraction form
    15,922,254.78/21,973,478.72 = 8,955,114.30/x
  3. Step 3: Cross multiply
    15,922,254.78x = 21,973,478.72 × 8,955,114.30
  4. Step 4: Simplify right side
    15,922,254.78x = 196,775,013,461,442.12
  5. Step 5: Solve for x
    x = 196,775,013,461,442.12/15,922,254.78
  6. Step 6: Final answer
    x = 12,358,489.18

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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.