Home / 12,931,207.54-19,398,312.18-4,296,078.61

Finding the Fourth Proportional to 12,931,207.54, 19,398,312.18 and 4,296,078.61

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Solution

The fourth proportional to 12,931,207.54, 19,398,312.18 and 4,296,078.61 is: 6,444,616.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,931,207.54 : 19,398,312.18 = 4,296,078.61 : x
  2. Step 2: Convert to fraction form
    12,931,207.54/19,398,312.18 = 4,296,078.61/x
  3. Step 3: Cross multiply
    12,931,207.54x = 19,398,312.18 × 4,296,078.61
  4. Step 4: Simplify right side
    12,931,207.54x = 83,336,674,026,600.47
  5. Step 5: Solve for x
    x = 83,336,674,026,600.47/12,931,207.54
  6. Step 6: Final answer
    x = 6,444,616.54

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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.