Home / 13,033,981.60-19,560,303.60-7,348,170.40

Finding the Fourth Proportional to 13,033,981.60, 19,560,303.60 and 7,348,170.40

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Solution

The fourth proportional to 13,033,981.60, 19,560,303.60 and 7,348,170.40 is: 11,027,516.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,033,981.60 : 19,560,303.60 = 7,348,170.40 : x
  2. Step 2: Convert to fraction form
    13,033,981.60/19,560,303.60 = 7,348,170.40/x
  3. Step 3: Cross multiply
    13,033,981.60x = 19,560,303.60 × 7,348,170.40
  4. Step 4: Simplify right side
    13,033,981.60x = 143,732,443,928,533.47
  5. Step 5: Solve for x
    x = 143,732,443,928,533.47/13,033,981.60
  6. Step 6: Final answer
    x = 11,027,516.25

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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.