Home / 5,423,978.14-8,148,671.25-5,117,574.58

Finding the Fourth Proportional to 5,423,978.14, 8,148,671.25 and 5,117,574.58

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Solution

The fourth proportional to 5,423,978.14, 8,148,671.25 and 5,117,574.58 is: 7,688,348.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423,978.14 : 8,148,671.25 = 5,117,574.58 : x
  2. Step 2: Convert to fraction form
    5,423,978.14/8,148,671.25 = 5,117,574.58/x
  3. Step 3: Cross multiply
    5,423,978.14x = 8,148,671.25 × 5,117,574.58
  4. Step 4: Simplify right side
    5,423,978.14x = 41,701,432,849,776.83
  5. Step 5: Solve for x
    x = 41,701,432,849,776.83/5,423,978.14
  6. Step 6: Final answer
    x = 7,688,348.25

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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.