Home / 13,038,626.72-17,994,443.52-7,607,868.32

Finding the Fourth Proportional to 13,038,626.72, 17,994,443.52 and 7,607,868.32

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Solution

The fourth proportional to 13,038,626.72, 17,994,443.52 and 7,607,868.32 is: 10,499,522.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,038,626.72 : 17,994,443.52 = 7,607,868.32 : x
  2. Step 2: Convert to fraction form
    13,038,626.72/17,994,443.52 = 7,607,868.32/x
  3. Step 3: Cross multiply
    13,038,626.72x = 17,994,443.52 × 7,607,868.32
  4. Step 4: Simplify right side
    13,038,626.72x = 136,899,356,791,837.28
  5. Step 5: Solve for x
    x = 136,899,356,791,837.28/13,038,626.72
  6. Step 6: Final answer
    x = 10,499,522.67

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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.