Home / 8,420,632.61-11,620,624.37-4,938,482.87

Finding the Fourth Proportional to 8,420,632.61, 11,620,624.37 and 4,938,482.87

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Solution

The fourth proportional to 8,420,632.61, 11,620,624.37 and 4,938,482.87 is: 6,815,195.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,420,632.61 : 11,620,624.37 = 4,938,482.87 : x
  2. Step 2: Convert to fraction form
    8,420,632.61/11,620,624.37 = 4,938,482.87/x
  3. Step 3: Cross multiply
    8,420,632.61x = 11,620,624.37 × 4,938,482.87
  4. Step 4: Simplify right side
    8,420,632.61x = 57,388,254,350,731.35
  5. Step 5: Solve for x
    x = 57,388,254,350,731.35/8,420,632.61
  6. Step 6: Final answer
    x = 6,815,195.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.