Home / 12,069,246.60-18,103,869.90-3,550,444.20

Finding the Fourth Proportional to 12,069,246.60, 18,103,869.90 and 3,550,444.20

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Solution

The fourth proportional to 12,069,246.60, 18,103,869.90 and 3,550,444.20 is: 5,325,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069,246.60 : 18,103,869.90 = 3,550,444.20 : x
  2. Step 2: Convert to fraction form
    12,069,246.60/18,103,869.90 = 3,550,444.20/x
  3. Step 3: Cross multiply
    12,069,246.60x = 18,103,869.90 × 3,550,444.20
  4. Step 4: Simplify right side
    12,069,246.60x = 64,276,779,884,009.58
  5. Step 5: Solve for x
    x = 64,276,779,884,009.58/12,069,246.60
  6. Step 6: Final answer
    x = 5,325,666.30

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Double scale
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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.