Home / 7,407,236.52-10,221,572.52-4,143,421.08

Finding the Fourth Proportional to 7,407,236.52, 10,221,572.52 and 4,143,421.08

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Solution

The fourth proportional to 7,407,236.52, 10,221,572.52 and 4,143,421.08 is: 5,717,689.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407,236.52 : 10,221,572.52 = 4,143,421.08 : x
  2. Step 2: Convert to fraction form
    7,407,236.52/10,221,572.52 = 4,143,421.08/x
  3. Step 3: Cross multiply
    7,407,236.52x = 10,221,572.52 × 4,143,421.08
  4. Step 4: Simplify right side
    7,407,236.52x = 42,352,279,050,116.72
  5. Step 5: Solve for x
    x = 42,352,279,050,116.72/7,407,236.52
  6. Step 6: Final answer
    x = 5,717,689.58

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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.