Home / 6,386,625.20-9,579,937.80-5,430,031.40

Finding the Fourth Proportional to 6,386,625.20, 9,579,937.80 and 5,430,031.40

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Solution

The fourth proportional to 6,386,625.20, 9,579,937.80 and 5,430,031.40 is: 8,145,047.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386,625.20 : 9,579,937.80 = 5,430,031.40 : x
  2. Step 2: Convert to fraction form
    6,386,625.20/9,579,937.80 = 5,430,031.40/x
  3. Step 3: Cross multiply
    6,386,625.20x = 9,579,937.80 × 5,430,031.40
  4. Step 4: Simplify right side
    6,386,625.20x = 52,019,363,064,046.93
  5. Step 5: Solve for x
    x = 52,019,363,064,046.93/6,386,625.20
  6. Step 6: Final answer
    x = 8,145,047.10

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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.