Home / 7,438,207.02-11,152,216.95-3,787,870.88

Finding the Fourth Proportional to 7,438,207.02, 11,152,216.95 and 3,787,870.88

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Solution

The fourth proportional to 7,438,207.02, 11,152,216.95 and 3,787,870.88 is: 5,679,212.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438,207.02 : 11,152,216.95 = 3,787,870.88 : x
  2. Step 2: Convert to fraction form
    7,438,207.02/11,152,216.95 = 3,787,870.88/x
  3. Step 3: Cross multiply
    7,438,207.02x = 11,152,216.95 × 3,787,870.88
  4. Step 4: Simplify right side
    7,438,207.02x = 42,243,157,832,347.41
  5. Step 5: Solve for x
    x = 42,243,157,832,347.41/7,438,207.02
  6. Step 6: Final answer
    x = 5,679,212.44

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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.