Home / 22,477,288.08-31,020,059.16-12,689,390.64

Finding the Fourth Proportional to 22,477,288.08, 31,020,059.16 and 12,689,390.64

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Solution

The fourth proportional to 22,477,288.08, 31,020,059.16 and 12,689,390.64 is: 17,512,150.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,477,288.08 : 31,020,059.16 = 12,689,390.64 : x
  2. Step 2: Convert to fraction form
    22,477,288.08/31,020,059.16 = 12,689,390.64/x
  3. Step 3: Cross multiply
    22,477,288.08x = 31,020,059.16 × 12,689,390.64
  4. Step 4: Simplify right side
    22,477,288.08x = 393,625,648,357,150.31
  5. Step 5: Solve for x
    x = 393,625,648,357,150.31/22,477,288.08
  6. Step 6: Final answer
    x = 17,512,150.35

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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.