Home / 7,980,002.10-11,970,003.15-7,854,030.90

Finding the Fourth Proportional to 7,980,002.10, 11,970,003.15 and 7,854,030.90

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Solution

The fourth proportional to 7,980,002.10, 11,970,003.15 and 7,854,030.90 is: 11,781,046.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,980,002.10 : 11,970,003.15 = 7,854,030.90 : x
  2. Step 2: Convert to fraction form
    7,980,002.10/11,970,003.15 = 7,854,030.90/x
  3. Step 3: Cross multiply
    7,980,002.10x = 11,970,003.15 × 7,854,030.90
  4. Step 4: Simplify right side
    7,980,002.10x = 94,012,774,613,197.34
  5. Step 5: Solve for x
    x = 94,012,774,613,197.34/7,980,002.10
  6. Step 6: Final answer
    x = 11,781,046.35

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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.