Home / 8,972,690.40-13,459,035.60-2,989,058.40

Finding the Fourth Proportional to 8,972,690.40, 13,459,035.60 and 2,989,058.40

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Solution

The fourth proportional to 8,972,690.40, 13,459,035.60 and 2,989,058.40 is: 4,483,587.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972,690.40 : 13,459,035.60 = 2,989,058.40 : x
  2. Step 2: Convert to fraction form
    8,972,690.40/13,459,035.60 = 2,989,058.40/x
  3. Step 3: Cross multiply
    8,972,690.40x = 13,459,035.60 × 2,989,058.40
  4. Step 4: Simplify right side
    8,972,690.40x = 40,229,843,416,079.04
  5. Step 5: Solve for x
    x = 40,229,843,416,079.04/8,972,690.40
  6. Step 6: Final answer
    x = 4,483,587.60

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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.