Home / 13,906,130.76-19,190,503.14-7,711,613.64

Finding the Fourth Proportional to 13,906,130.76, 19,190,503.14 and 7,711,613.64

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Solution

The fourth proportional to 13,906,130.76, 19,190,503.14 and 7,711,613.64 is: 10,642,050.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906,130.76 : 19,190,503.14 = 7,711,613.64 : x
  2. Step 2: Convert to fraction form
    13,906,130.76/19,190,503.14 = 7,711,613.64/x
  3. Step 3: Cross multiply
    13,906,130.76x = 19,190,503.14 × 7,711,613.64
  4. Step 4: Simplify right side
    13,906,130.76x = 147,989,745,772,886.81
  5. Step 5: Solve for x
    x = 147,989,745,772,886.81/13,906,130.76
  6. Step 6: Final answer
    x = 10,642,050.50

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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.