Home / 12,772,820.85-19,167,693.27-7,019,572.29

Finding the Fourth Proportional to 12,772,820.85, 19,167,693.27 and 7,019,572.29

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Solution

The fourth proportional to 12,772,820.85, 19,167,693.27 and 7,019,572.29 is: 10,534,008.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,772,820.85 : 19,167,693.27 = 7,019,572.29 : x
  2. Step 2: Convert to fraction form
    12,772,820.85/19,167,693.27 = 7,019,572.29/x
  3. Step 3: Cross multiply
    12,772,820.85x = 19,167,693.27 × 7,019,572.29
  4. Step 4: Simplify right side
    12,772,820.85x = 134,549,008,541,311.48
  5. Step 5: Solve for x
    x = 134,549,008,541,311.48/12,772,820.85
  6. Step 6: Final answer
    x = 10,534,008.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.