Home / 9,145,503.36-12,619,007.28-5,423,645.16

Finding the Fourth Proportional to 9,145,503.36, 12,619,007.28 and 5,423,645.16

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Solution

The fourth proportional to 9,145,503.36, 12,619,007.28 and 5,423,645.16 is: 7,483,570.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145,503.36 : 12,619,007.28 = 5,423,645.16 : x
  2. Step 2: Convert to fraction form
    9,145,503.36/12,619,007.28 = 5,423,645.16/x
  3. Step 3: Cross multiply
    9,145,503.36x = 12,619,007.28 × 5,423,645.16
  4. Step 4: Simplify right side
    9,145,503.36x = 68,441,017,758,176.77
  5. Step 5: Solve for x
    x = 68,441,017,758,176.77/9,145,503.36
  6. Step 6: Final answer
    x = 7,483,570.35

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Double scale
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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.