Home / 12,232,308.60-18,362,459.70-7,186,462.20

Finding the Fourth Proportional to 12,232,308.60, 18,362,459.70 and 7,186,462.20

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Solution

The fourth proportional to 12,232,308.60, 18,362,459.70 and 7,186,462.20 is: 10,787,916.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,232,308.60 : 18,362,459.70 = 7,186,462.20 : x
  2. Step 2: Convert to fraction form
    12,232,308.60/18,362,459.70 = 7,186,462.20/x
  3. Step 3: Cross multiply
    12,232,308.60x = 18,362,459.70 × 7,186,462.20
  4. Step 4: Simplify right side
    12,232,308.60x = 131,961,122,533,073.34
  5. Step 5: Solve for x
    x = 131,961,122,533,073.34/12,232,308.60
  6. Step 6: Final answer
    x = 10,787,916.40

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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.