Home / 12,366,459.10-18,549,688.65-5,989,167.10

Finding the Fourth Proportional to 12,366,459.10, 18,549,688.65 and 5,989,167.10

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Solution

The fourth proportional to 12,366,459.10, 18,549,688.65 and 5,989,167.10 is: 8,983,750.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366,459.10 : 18,549,688.65 = 5,989,167.10 : x
  2. Step 2: Convert to fraction form
    12,366,459.10/18,549,688.65 = 5,989,167.10/x
  3. Step 3: Cross multiply
    12,366,459.10x = 18,549,688.65 × 5,989,167.10
  4. Step 4: Simplify right side
    12,366,459.10x = 111,097,184,977,823.41
  5. Step 5: Solve for x
    x = 111,097,184,977,823.41/12,366,459.10
  6. Step 6: Final answer
    x = 8,983,750.65

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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.