Home / 18,722,451.60-28,083,677.40-11,038,208.40

Finding the Fourth Proportional to 18,722,451.60, 28,083,677.40 and 11,038,208.40

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Solution

The fourth proportional to 18,722,451.60, 28,083,677.40 and 11,038,208.40 is: 16,557,312.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722,451.60 : 28,083,677.40 = 11,038,208.40 : x
  2. Step 2: Convert to fraction form
    18,722,451.60/28,083,677.40 = 11,038,208.40/x
  3. Step 3: Cross multiply
    18,722,451.60x = 28,083,677.40 × 11,038,208.40
  4. Step 4: Simplify right side
    18,722,451.60x = 309,993,483,779,570.12
  5. Step 5: Solve for x
    x = 309,993,483,779,570.12/18,722,451.60
  6. Step 6: Final answer
    x = 16,557,312.60

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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.