Home / 7,146,374.19-9,862,058.85-3,883,188.90

Finding the Fourth Proportional to 7,146,374.19, 9,862,058.85 and 3,883,188.90

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Solution

The fourth proportional to 7,146,374.19, 9,862,058.85 and 3,883,188.90 is: 5,358,834.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146,374.19 : 9,862,058.85 = 3,883,188.90 : x
  2. Step 2: Convert to fraction form
    7,146,374.19/9,862,058.85 = 3,883,188.90/x
  3. Step 3: Cross multiply
    7,146,374.19x = 9,862,058.85 × 3,883,188.90
  4. Step 4: Simplify right side
    7,146,374.19x = 38,296,237,457,466.77
  5. Step 5: Solve for x
    x = 38,296,237,457,466.77/7,146,374.19
  6. Step 6: Final answer
    x = 5,358,834.63

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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.