Home / 7,885,928.79-10,736,597.43-7,861,638.51

Finding the Fourth Proportional to 7,885,928.79, 10,736,597.43 and 7,861,638.51

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Solution

The fourth proportional to 7,885,928.79, 10,736,597.43 and 7,861,638.51 is: 10,703,526.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,885,928.79 : 10,736,597.43 = 7,861,638.51 : x
  2. Step 2: Convert to fraction form
    7,885,928.79/10,736,597.43 = 7,861,638.51/x
  3. Step 3: Cross multiply
    7,885,928.79x = 10,736,597.43 × 7,861,638.51
  4. Step 4: Simplify right side
    7,885,928.79x = 84,407,247,822,055.03
  5. Step 5: Solve for x
    x = 84,407,247,822,055.03/7,885,928.79
  6. Step 6: Final answer
    x = 10,703,526.51

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.