Home / 8,390,425.20-12,574,751.40-3,893,132.40

Finding the Fourth Proportional to 8,390,425.20, 12,574,751.40 and 3,893,132.40

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Solution

The fourth proportional to 8,390,425.20, 12,574,751.40 and 3,893,132.40 is: 5,834,647.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,390,425.20 : 12,574,751.40 = 3,893,132.40 : x
  2. Step 2: Convert to fraction form
    8,390,425.20/12,574,751.40 = 3,893,132.40/x
  3. Step 3: Cross multiply
    8,390,425.20x = 12,574,751.40 × 3,893,132.40
  4. Step 4: Simplify right side
    8,390,425.20x = 48,955,172,097,285.36
  5. Step 5: Solve for x
    x = 48,955,172,097,285.36/8,390,425.20
  6. Step 6: Final answer
    x = 5,834,647.34

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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.