Home / 7,406,513.63-10,221,003.75-4,143,382.85

Finding the Fourth Proportional to 7,406,513.63, 10,221,003.75 and 4,143,382.85

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Solution

The fourth proportional to 7,406,513.63, 10,221,003.75 and 4,143,382.85 is: 5,717,876.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406,513.63 : 10,221,003.75 = 4,143,382.85 : x
  2. Step 2: Convert to fraction form
    7,406,513.63/10,221,003.75 = 4,143,382.85/x
  3. Step 3: Cross multiply
    7,406,513.63x = 10,221,003.75 × 4,143,382.85
  4. Step 4: Simplify right side
    7,406,513.63x = 42,349,531,688,625.88
  5. Step 5: Solve for x
    x = 42,349,531,688,625.88/7,406,513.63
  6. Step 6: Final answer
    x = 5,717,876.70

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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.