Home / 7,118,630.24-9,824,572.86-4,021,284.20

Finding the Fourth Proportional to 7,118,630.24, 9,824,572.86 and 4,021,284.20

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Solution

The fourth proportional to 7,118,630.24, 9,824,572.86 and 4,021,284.20 is: 5,549,859.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118,630.24 : 9,824,572.86 = 4,021,284.20 : x
  2. Step 2: Convert to fraction form
    7,118,630.24/9,824,572.86 = 4,021,284.20/x
  3. Step 3: Cross multiply
    7,118,630.24x = 9,824,572.86 × 4,021,284.20
  4. Step 4: Simplify right side
    7,118,630.24x = 39,507,399,613,666.81
  5. Step 5: Solve for x
    x = 39,507,399,613,666.81/7,118,630.24
  6. Step 6: Final answer
    x = 5,549,859.77

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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.