Home / 12,897,594.09-19,358,512.16-6,753,985.40

Finding the Fourth Proportional to 12,897,594.09, 19,358,512.16 and 6,753,985.40

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Solution

The fourth proportional to 12,897,594.09, 19,358,512.16 and 6,753,985.40 is: 10,137,325.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,897,594.09 : 19,358,512.16 = 6,753,985.40 : x
  2. Step 2: Convert to fraction form
    12,897,594.09/19,358,512.16 = 6,753,985.40/x
  3. Step 3: Cross multiply
    12,897,594.09x = 19,358,512.16 × 6,753,985.40
  4. Step 4: Simplify right side
    12,897,594.09x = 130,747,108,508,988.83
  5. Step 5: Solve for x
    x = 130,747,108,508,988.83/12,897,594.09
  6. Step 6: Final answer
    x = 10,137,325.43

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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.