Home / 12,038,813.40-18,058,220.10-4,464,211.80

Finding the Fourth Proportional to 12,038,813.40, 18,058,220.10 and 4,464,211.80

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Solution

The fourth proportional to 12,038,813.40, 18,058,220.10 and 4,464,211.80 is: 6,696,317.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038,813.40 : 18,058,220.10 = 4,464,211.80 : x
  2. Step 2: Convert to fraction form
    12,038,813.40/18,058,220.10 = 4,464,211.80/x
  3. Step 3: Cross multiply
    12,038,813.40x = 18,058,220.10 × 4,464,211.80
  4. Step 4: Simplify right side
    12,038,813.40x = 80,615,719,257,417.19
  5. Step 5: Solve for x
    x = 80,615,719,257,417.19/12,038,813.40
  6. Step 6: Final answer
    x = 6,696,317.70

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Similar ratio
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1.5x scale

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.