Home / 7,118,711.96-9,824,685.36-4,021,365.92

Finding the Fourth Proportional to 7,118,711.96, 9,824,685.36 and 4,021,365.92

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Solution

The fourth proportional to 7,118,711.96, 9,824,685.36 and 4,021,365.92 is: 5,549,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118,711.96 : 9,824,685.36 = 4,021,365.92 : x
  2. Step 2: Convert to fraction form
    7,118,711.96/9,824,685.36 = 4,021,365.92/x
  3. Step 3: Cross multiply
    7,118,711.96x = 9,824,685.36 × 4,021,365.92
  4. Step 4: Simplify right side
    7,118,711.96x = 39,508,654,881,426.93
  5. Step 5: Solve for x
    x = 39,508,654,881,426.93/7,118,711.96
  6. Step 6: Final answer
    x = 5,549,972.40

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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.