Home / 12,772,821.85-19,167,694.77-7,019,573.29

Finding the Fourth Proportional to 12,772,821.85, 19,167,694.77 and 7,019,573.29

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Solution

The fourth proportional to 12,772,821.85, 19,167,694.77 and 7,019,573.29 is: 10,534,010.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,772,821.85 : 19,167,694.77 = 7,019,573.29 : x
  2. Step 2: Convert to fraction form
    12,772,821.85/19,167,694.77 = 7,019,573.29/x
  3. Step 3: Cross multiply
    12,772,821.85x = 19,167,694.77 × 7,019,573.29
  4. Step 4: Simplify right side
    12,772,821.85x = 134,549,038,238,364.69
  5. Step 5: Solve for x
    x = 134,549,038,238,364.69/12,772,821.85
  6. Step 6: Final answer
    x = 10,534,010.40

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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.