Home / 4,429,326.60-6,643,989.90-4,345,345.80

Finding the Fourth Proportional to 4,429,326.60, 6,643,989.90 and 4,345,345.80

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Solution

The fourth proportional to 4,429,326.60, 6,643,989.90 and 4,345,345.80 is: 6,518,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429,326.60 : 6,643,989.90 = 4,345,345.80 : x
  2. Step 2: Convert to fraction form
    4,429,326.60/6,643,989.90 = 4,345,345.80/x
  3. Step 3: Cross multiply
    4,429,326.60x = 6,643,989.90 × 4,345,345.80
  4. Step 4: Simplify right side
    4,429,326.60x = 28,870,433,607,207.42
  5. Step 5: Solve for x
    x = 28,870,433,607,207.42/4,429,326.60
  6. Step 6: Final answer
    x = 6,518,018.70

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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.