Home / 7,518,385.23-10,375,381.70-4,080,625.35

Finding the Fourth Proportional to 7,518,385.23, 10,375,381.70 and 4,080,625.35

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Solution

The fourth proportional to 7,518,385.23, 10,375,381.70 and 4,080,625.35 is: 5,631,268.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518,385.23 : 10,375,381.70 = 4,080,625.35 : x
  2. Step 2: Convert to fraction form
    7,518,385.23/10,375,381.70 = 4,080,625.35/x
  3. Step 3: Cross multiply
    7,518,385.23x = 10,375,381.70 × 4,080,625.35
  4. Step 4: Simplify right side
    7,518,385.23x = 42,338,045,580,946.09
  5. Step 5: Solve for x
    x = 42,338,045,580,946.09/7,518,385.23
  6. Step 6: Final answer
    x = 5,631,268.46

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1.5x scale

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.