Home / 7,381,437.20-11,072,155.80-4,345,686.80

Finding the Fourth Proportional to 7,381,437.20, 11,072,155.80 and 4,345,686.80

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Solution

The fourth proportional to 7,381,437.20, 11,072,155.80 and 4,345,686.80 is: 6,518,530.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,437.20 : 11,072,155.80 = 4,345,686.80 : x
  2. Step 2: Convert to fraction form
    7,381,437.20/11,072,155.80 = 4,345,686.80/x
  3. Step 3: Cross multiply
    7,381,437.20x = 11,072,155.80 × 4,345,686.80
  4. Step 4: Simplify right side
    7,381,437.20x = 48,116,121,307,603.44
  5. Step 5: Solve for x
    x = 48,116,121,307,603.44/7,381,437.20
  6. Step 6: Final answer
    x = 6,518,530.20

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1.5x scale

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.