Home / 5,168,656.40-7,130,832.66-5,160,684.92

Finding the Fourth Proportional to 5,168,656.40, 7,130,832.66 and 5,160,684.92

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Solution

The fourth proportional to 5,168,656.40, 7,130,832.66 and 5,160,684.92 is: 7,119,834.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168,656.40 : 7,130,832.66 = 5,160,684.92 : x
  2. Step 2: Convert to fraction form
    5,168,656.40/7,130,832.66 = 5,160,684.92/x
  3. Step 3: Cross multiply
    5,168,656.40x = 7,130,832.66 × 5,160,684.92
  4. Step 4: Simplify right side
    5,168,656.40x = 36,799,980,575,505.48
  5. Step 5: Solve for x
    x = 36,799,980,575,505.48/5,168,656.40
  6. Step 6: Final answer
    x = 7,119,834.97

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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.